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Your average day on a ketogenic diet might include eggs, cheese, assorted meats and small amounts of nuts and avocados, and modest amounts of vegetables that are low in carbs, like spinach and lettuce. While following keto, you’re encouraged to eat as much fat as you want, no matter the source (e.g., butter, olive oil, meats, cheeses), until you feel full. Fat can have a strong satiety effect, but following this recommendation may not be comfortable for everyone. According to recent research, fatty foods may increase feelings of nausea and bloating for some people. Beyond potential physical discomfort, it also might not be emotionally comfortable for everyone-after all, keto is still a restrictive diet, which typically is not a good choice for anyone with a disordered relationship to food and eating. And as with any restrictive dietary plan, following a ketogenic diet can present challenges when it comes to social occasions, celebrations, office parties, meals out, etc. It also might be necessary to limit or avoid culturally relevant foods on the diet in order to stay in ketosis.|These symptoms have been dubbed “the keto flu.” Constipation is also common on the keto diet due to the lack of fiber. The high-fat nature of the diet could also have negative impacts on heart health. The American Heart Association recommends limiting saturated fat intake to 5 to 6 percent. “In practice, many people eat high amounts of saturated fats, which could increase cardiovascular disease risk,” says Dr. Maganti. “Patients with kidney disease have an increased risk of requiring dialysis on the keto diet due to the additional ketones that their renal system has to process,” says Dr. Maganti. Some people also experience dehydration on the keto diet because they’re eradicating glycogen, which holds water, from their bloodstream. “When you micromanage your food intake by tracking how much you eat, it disconnects you from what your body is asking for,” says Gomez. Monitoring food so closely can lead to psychological distress, such as shame, and binge eating. Restriction can lead to bingeing, which often leads to guilt, which then leads back to restriction in a continuous cycle. Both Dr. Ring and Dr. Maganti recommend balanced approaches, like the Mediterranean diet, for long-term weight loss. “You can still receive the benefits of ketosis while eating a varied and balanced diet through intermittent fasting,” says Dr. Ring. Gomez advocates making small changes based on your health goals. “All foods fit into a healthy diet,” she says. For everyday dieters, it might be for the more anecdotal side effects, such as a clearer head. But it can be risky for certain folks, like those with kidney issues, according to experts at the Keck School of Medicine of USC. Ninety percent of Americans have been on a diet and when you ask why they’re dieting - is it for health or to lose weight? “the predominant answer is to lose weight,” according to Dean Pinchas Cohen of the USC Leonard Davis School of Gerontology. So it’s no surprise keto - essentially a new take on the Atkins diet - is popular since it results in weight loss, he said. But long term, the keto diet could be detrimental, since cutting out carbs increases health risks and mortality over time, Cohen said. The ketogenic diet is usually something that’s prescribed by a registered dietitian. For example, Jessica Lowe, a Keck School of Medicine of USC ketogenic dietitian, said she might prescribe it to a patient who has epilepsy, since there’s research that shows it can help control seizures. The reason that this diet helps with neurological diseases? Eating a primarily fat-based diet actually switches our neural pathways. You’ve probably heard that our brains run off glucose for energy. Our bodies also break down carbohydrates into glucose for fuel. When you starve the brain and body of glucose by heavily limiting carbohydrates, our system has to use an alternative fuel source to function. It naturally turns to ketones, which are a byproduct of ingested and stored fats. So, when you adopt a ketogenic diet, you are literally changing your brain and body’s energy source from glucose (carbs) to ketones (fat). In neurological diseases, which often occur due to an imbalance or overactivity in neural pathways, the lack of carbohydrates shifts which neural pathways are active, and this often results in a decreased symptoms. Many people with epilepsy report a reduction or elimination of seizures when they transition to a ketogenic diet. Since that discovery, keto popularity has skyrocketed, and now you hear or read about it left and right. Rebalance and re-energize with our 4-week Keto Reset Program! Let Territory get you back on track with 4 weeks of delicious keto meals that deliver the right macros, micros and variety to help you with hunger control, mental clarity and better sleep. UP NEXT: IS KETO RIGHT FOR YOU? New to Territory? Get started with $30 on us with code AVOCADO.
Although this diet may be beneficial for some people, there are side effects you may encounter a few days into eating keto. For many people, these symptoms only last a few days, not like a real flu. However, if they continue past that or you don’t feel well, listen to your body and stop the diet. These symptoms are a sign that your body is transitioning and getting used to being in ketosis. To combat these symptoms (or minimize them), easing into the diet might be a good place to start. You could try carb cycling two to three days per week until you’re fully ready to approach the keto diet. Some people end up sticking with carb cycling because they feel it’s beneficial for them. But everyone is different - so just be mindful of your body and what works best for you. As you increase your water intake and drop water weight, your electrolytes may swing out of balance and increase the intensity of your symptoms. To counter this, drink bone broth for sodium, eat sliced dried apricots with yogurt for potassium, or a piece of dark chocolate for magnesium. “We often don’t have a lot of data to guide us on the positive or negative effects, so I am cautious to say this is the right thing to do and not the right thing to do. In its strictest form, the keto diet consists of 75 percent fats, 20 percent protein, and five percent carbohydrates. That means foods like healthy meats and cheese are fair game, but no more bread, rice, or soda. Under regular circumstances, cells in the body use carbohydrates as a source of energy, which is converted into glucose and sent into the bloodstream. But depriving the body of that source forces it to go after fats, which is known as “ketosis.” During ketosis, the body breaks down fat molecules into something called ketone bodies to generate energy. “It’s a catabolic process in some sense. It breaks down fat and muscle mass if you don’t take on calories,” Chokshi says. Unlike the Atkins Diet, which is high in protein, a keto diet avoids eating too much protein. In the past, people thought large amounts of protein can turn into glucose in a process called gluconeogenesis, which takes you out of ketosis. More recent findings suggest the possibility of gluconeogenesis isn’t as big a problem as we once believed, but on a keto diet, the majority of your calories should come from quality fats-not protein. There’s a bit of a learning curve when you’re finding out what to eat on keto. Broadly speaking, it’s best to get your dietary fat from nutrient-dense, whole food sources. That means eating more foods like avocados, coconut oil, olive oil and butter (or Bulletproof Grass-Fed Ghee). Your protein intake should primarily come from fatty cuts of protein like salmon and, yes, bacon. How long does it take to get into ketosis? It can take anywhere from 2-3 days to a few weeks to enter ketosis, depending on your body’s ability to adapt to burning fat for fuel and increasing your ketone levels. Some like how they feel and like how they eat when they’re on a ketogenic diet. If it works for you, great. The diet that works for you is the one you feel good about. The reality is that many people who attempt the ketogenic diet cycle in and out of it. It was ranked second-to-last in the U.S. In short, while there is often at least short-term weight loss; the long-term effects on overall health are still relatively unknown. The potential drawbacks of this complicated diet include kidney damage, constipation, micronutrient deficiencies and social isolation (skipping family or social gatherings because of your diet?!). A strict keto diet requires close management by a health professional. If you feel good on a keto-inspired diet that’s great - just make sure you understand the big nutritional picture too. Vanessa Lennick is private-practice Registered Dietitian in Bismarck, ND. As a working mom-of-three, wife of a shift worker, and member of the ND National Guard, Vanessa is passionate about helping people find the diet that works for them - their goals, their lifestyle, their preferences.
The macro count for the HPK diet is roughly 5 percent carbs, 35 percent protein and 60 percent fat. This form rotates ketogenic days with high carb days, usually five ketogenic days followed by two high carb days. Sometimes referred to as ketogenic carb cycling, this version of the keto diet can help promote fat loss and muscle-building. Ketogenic carb cycling is also said to be less of a lifestyle stressor for some people, as the two high carb days make the CKD feel less restrictive and easier to follow. Since each person has a different body fat percentage and nutrient requirements, there is no one-size-fits-all caloric or macronutrient rule for getting into ketosis. For example, athletes who train four to five times per week will still be able to enter a state of ketosis by eating a higher percentage of carbs, compared to someone who’s mostly sedentary. If you’re not already a keto pro, you can calculate your personal optimal macronutrient ratios by using this ketogenic calculator. Risks to Note Koche says to hold off until you’ve adapted to keto, which means your body is used to turning to fat for fuel, before adding these high-carb days, as it can slow down the possible benefits and results of being in ketosis. Kizer notes that keto cycling can cause fluctuations in body water, which can lead to dizziness. “It can also be hard on the heart for those with some cardiac conditions,” she adds. RELATED: Can the Keto Diet Help Prevent or Manage Heart Disease? How It Works The purpose of the so-called “lazy keto” diet is to make keto easier to follow. Counting calories, fat, and protein intake - for some people, that’s all too complicated. “All you track is carbs in lazy keto,” Kizer says. You should still see results that are similar to regular keto, so long as you keep your carb intake low enough and don’t go overboard in the protein department, Kizer says.|Ketones are a family of chemicals made by your liver, usually out of the body’s fat, to provide energy when you need it. Right now, you’ve almost certainly got some ketones circulating in your blood. If you fast for the better part of a day, the level of ketones in your blood will rise, as your body turns to its stored fat to make up for the lack of carbohydrates (aka sugars) in your system. The keto diet tries to hypercharge all this ketone production. The basic idea is that when people forgo almost all carbohydrates, shun excess proteins, and load up on fat, their bodies will respond by producing ketones. But will all that ketone production do any good? Let’s start with weight loss. The keto diet is a cousin of several other popular weight loss approaches, things like the Atkins plan or the paleo diet. Compared to these other diet plans, the keto diet leads to more weight loss among people tracked for at least a year. But before you get too excited about that result, keep this in mind. Across all the studies analyzed, people on the keto diet lost only about a pound or two more than those on other diets. No sugars; almost no protein; and you’ll lose a couple extra pounds? It’s up to you to decide if that’s worth it. What about diabetes control? When researchers combine data from all the randomized trials on the topic, they found that the keto diet is no better at lowering your blood sugar than any other diet. How about controlling your cholesterol levels through a keto diet? Sorry, it won’t help, and may even raise your lipid levels. Did So-Called ‘Stanford, NIH Study’ Really Show Face Masks Are Ineffective Against Covid-19? The Covid-19 Vaccine Won’t Give You Herpes. This means you want to reach this number each day, so try not to go below the goal. Going over a little bit is also okay, but a large excess in protein might convert to glucose and kick you out of ketosis; how easily this happens varies from person to person. Fat is a lever. After your carb limit and protein goal, the remaining calories you need for the day come from fat. This is what keeps you satisfied and provides the majority of your energy source. You can use fat as a lever, increasing it up or down, based on your goals. Increase it if you’re hungry, decrease it to lose weight, but remember you can’t go too low (don’t get caught in the outdated “fat is bad” trap), since it’s your main energy source. In fact, a recent study published in the British Journal of Nutrition concluded that an increase in lycopene consumption is associated with a lower risk of developing cardiovascular disease. Unfamiliar with this fatty food? Ghee is a form of clarified butter that regularly makes an appearance in Indian food as well as on our list of fat-burning keto diet foods. In addition to its abundance of fat, ghee is also high in fat-soluble vitamins such as vitamin A, vitamin E, and vitamin D. You can, of course, buy ghee at the grocery store or you can make your own: The Easiest Way to Make Ghee at Home. These mini cabbages are a winter and fall favorite that you can enjoy all year-round on the ketogenic diet. Brussels sprouts are chock-full of nutrients including vitamin C, vitamin K, folate, and phosphorus, so don't be afraid to dig in. Asparagus is a low-carbohydrate vegetable that you should make an effort to incorporate into your diet, whether you are going keto or not. The stalky green is rich in glutathione, a compound with major cancer-fighting benefits. A study published in the journal Cancers found that glutathione participates in cell protection and regulation. Caffeine-fiends are in luck: coffee is allowed on the ketogenic diet. The bad news? Sugar and milk are both off-limits. If you can't stomach the idea of drinking your coffee black, you can make bulletproof coffee, which is made by adding butter and coconut oil or concentrated MCT oil to your morning brew. Just make sure you're choosing the right keto add-in, because some keto creamers are on our list of 7 Things You Should Never Add to Your Coffee. Will I gain it all back once I go off the keto diet? No! Because keto provides such drastic results for so many people, it is common to have the success minimized by jealous onlookers. Fat loss is fat loss, and if you eat over your carbs you will probably gain some water weight back, but you aren’t going to put on pounds of fat overnight - it’s just not biologically possible. Still, once you stop keto you may fall back into the carb-craving cycle and overeat again. For this reason, many people who initially lose weight with keto choose to stay on it, even at their goal weight, because they feel so good on it and it is easier to maintain their weight without the carb cravings and energy crashes associated with a carb-based diet. Is it okay to be on keto during the week, and then ‘cheat’ during the weekends? This is where keto gets tricky, and what puts a lot of people off.|On average, most people will lose a few pounds but have a tough time sticking to it in the long run. But keto does have this real potential as a treatment for a few diseases. And that’s the really serious and fascinating scientific exploration that’s happening right now. Listen to the full episode of Today, Explained to learn more about the science behind the keto diet. Will you support Vox’s explanatory journalism? Millions turn to Vox to understand what’s happening in the news. Our mission has never been more vital than it is in this moment: to empower through understanding. Financial contributions from our readers are a critical part of supporting our resource-intensive work and help us keep our journalism free for all. Please consider making a contribution to Vox today from as little as $3. Vietnam defied the experts and sealed its border to keep Covid-19 out. I could have been Ma’Khia Bryant Like Ma’Khia Bryant, I was exposed to violence at a young age. I needed help, not bullets. How men’s thighs became the new abs Men haven’t been skipping leg day. And this summer, they’re ready to show you. Greek life is losing members. Here’s why. From racist slurs to classism, three students share the reasons why they left - or dismantled - their fraternities and sororities. Just because you can work from home doesn’t mean you’ll be allowed to Which jobs are heading back to the office and which can stay home varies widely.
Glucose is the primary fuel for pretty much all of the cells in our body. Our brain, central nervous system, and developing red blood cells prefer glucose over any other source. When you are exercising or haven’t eaten in a while, your body will breakdown its store of glycogen for quick energy. What happens when you run out of glycogen? Great question! If a person doesn’t replenish their glycogen stores, their body will break down protein and fat for energy. The problem? Brain cells can’t use them. That’s where ketones come in. When there are no more carbohydrates left to provide energy, the body will start to produce ketone bodies, which can provide energy for most types of cells. As ketones are produced, a build up of them in your body is known as ketosis. But why isn’t it that simple? A couple reasons. When losing weight (whether on the ketogenic diet or any other restrictive diet), our bodies react as if we are starving and hold onto whatever nutrients are given to it. The ketogenic diet essentially forces the body to use fat as its main source of energy instead. It does this by mimicking a state of starvation where the body breaks down fat stores and converts them into ketones through a biochemical process called ketosis. Reaching ketosis: Generally speaking, the ketogenic diet is composed of 70-75 percent fat, 20-25 percent protein, and 5-10 percent carbohydrates. This strict formula is the key to ensuring a person enters the metabolic state of ketosis, which isn’t necessarily easy. In fact, reaching and maintaining ketosis can be exceptionally challenging for many people and requires diligence and planning. Newbies to the keto diet may experience symptoms such as dizziness, headaches, brain fog, nausea and irritability, says Dr. Zhu. Nuts and bolts: Foods to be limited on the ketogenic diet include: whole grains; beans and legumes; starchy vegetables like yams and potatoes; high-carbohydrate fruits like apples, oranges and bananas; alcohol; sugar; and low-fat dairy products. Let’s take a closer look at what “going keto” entails. First things first: To understand keto, you have to know a bit about how the body burns energy. The main objective of the ketogenic diet is to get the body to start relying primarily on fat for energy. In general, our bodies are predominantly fueled by glucose (also known as blood sugar), which we get from carb-rich foods (bread, cereal, pasta, rice, etc.). The digestive tract breaks these foods down into glucose so it can be converted into adenosine triphosphate (ATP), which is the chemical our bodies can use for energy. But when the body is deprived of carby delights, it finds other ways to make energy, and one way is a process called ketogenesis. During ketogenesis, the body turns to fat for energy; the liver breaks it down into ketones, making it a usable energy source, Amy M. Goss, Ph.D., assistant professor at the University of Alabama at Birmingham’s Nutrition Obesity Research Center, explains to SELF via email.|For instance, you could try a more traditional low-carb diet for a few weeks before going full keto. This process can train your body to start burning more fat before you totally remove carbs from your diet. A ketogenic diet can also alter your water levels and mineral balance. You may want to add extra salt to your food or consider taking mineral supplements to restore normal balance in your body. Try adding 3,000 milligrams of sodium, along with 1,000 mg of potassium and 300 mg of magnesium to your daily intake to help minimize side effects and restore mineral balance. It’s vital to eat until you’re full and refrain from restricting your calorie intake too much, particularly at the beginning of your ketogenic diet. Keto usually leads to weight loss without purposeful calorie restriction. With the proper supplements and good dietary practices, the side effects of a ketogenic diet can be limited to very tolerable levels. Keto is a diet that was developed decades ago and originally used for patients with severe epilepsy, some of whom were on the diet for life with no evidence of harm. It consists of low carb, high fat and only moderate protein intake, as opposed to the Atkins diet. Keto isn’t as meat-heavy as commonly believed. Hwu relies on certain “go to” foods like full-fat regular cream cheese, sour cream and avocados as staples. He also consumes a lot of green vegetables and cauliflower. Since starting the keto diet, Hwu has dropped 25 pounds and has maintained the weight loss. His blood pressure, triglycerides and sugar levels have all decreased, which are healthy signs. His biomarkers, including lipid profile and blood pressure have been excellent, he said. There have been a number of studies that show the connection between obesity and certain cancers. Hwu feels that keto makes sense because his patients are not hungry on it, it manages their weight and blood sugar levels and keeps insulin and IGF-1 levels low - two proteins that have been shown to drive some cancers. “I feel that fat intake has been overly emphasized as a negative factor and that a high intake of carbs and the subsequent spikes in insulin and IGF-1 (an insulin-like hormone in the blood) that they cause are more harmful to health overall,” Hwu said. Hwu’s colleague, Dr. Jennifer McQuade, an assistant professor and physician scientist in Melanoma Medical Oncology at MD Anderson says they are currently conducting both human and animal studies of the effects of diet, including the ketogenic diet, on cancer. In addition, they are testing a plant-based high-fiber diet aimed at the gut microbiome, which has been shown to impact response to immunotherapy, a type of cancer treatment that utilizes the patient’s own immune system to fight the disease. They expect results from the studies early next year. The aim of the diet is to keep up the state of ketosis for longer periods, by not eating much carbohydrate. And when we say not much, we mean almost nothing at all. For an effective keto diet, you must cover no more than 5% of your daily calorie intake from carbs. Keto vs low carb diet: which one is better for weight loss and exercising? What do you eat on a keto diet? The tricky part is, for an average person, carbs tend to form the majority of their energy intake and switching from a high-carb diet to a high-fat diet will require some willpower. Good news is, you can gorge yourself on good fats during keto diet, like certain types of cheese and avocados. Also, if you are a fan of seafood, you are up for a treat: foodstuff like clams, oysters and squid contain very little carbs and therefore can be consumed more freely when doing keto.|The Keto Diet, or Ketogenic Diet is a high-fat diet that is moderate in protein and low in carbohydrates. This macro-nutrient ratio allows the body to switch from using carbohydrates (converted into glycogen in the liver) for energy, to using fat (converted into fatty acids and ketone bodies in the liver). The human body is like a hybrid vehicle, relying on either carbohydrates or fat for fuel. For the most part, it cannot use both fuels simultaneously. Consuming fat allows the body to access hundreds of thousands of calories of stored fats that have been locked away during carbohydrate metabolism. In addition to burning fat reserves and super charging weight loss, ketosis produces a clean burning metabolic fuel that has many benefits. Ketones lower production of reactive oxygen species (ROS),1 enhance mitochondrial biogenesis,2 3 and induce positive epigenetic expression.4 Because of its neurological benefits, I went on a Keto Diet in 2014, and it has been helpful in moderating my MS symptoms.
Your average day on a ketogenic diet might include eggs, cheese, assorted meats and small amounts of nuts and avocados, and modest amounts of vegetables that are low in carbs, like spinach and lettuce. While following keto, you’re encouraged to eat as much fat as you want, no matter the source (e.g., butter, olive oil, meats, cheeses), until you feel full. Fat can have a strong satiety effect, but following this recommendation may not be comfortable for everyone. According to recent research, fatty foods may increase feelings of nausea and bloating for some people. Beyond potential physical discomfort, it also might not be emotionally comfortable for everyone-after all, keto is still a restrictive diet, which typically is not a good choice for anyone with a disordered relationship to food and eating. And as with any restrictive dietary plan, following a ketogenic diet can present challenges when it comes to social occasions, celebrations, office parties, meals out, etc. It also might be necessary to limit or avoid culturally relevant foods on the diet in order to stay in ketosis.|These symptoms have been dubbed “the keto flu.” Constipation is also common on the keto diet due to the lack of fiber. The high-fat nature of the diet could also have negative impacts on heart health. The American Heart Association recommends limiting saturated fat intake to 5 to 6 percent. “In practice, many people eat high amounts of saturated fats, which could increase cardiovascular disease risk,” says Dr. Maganti. “Patients with kidney disease have an increased risk of requiring dialysis on the keto diet due to the additional ketones that their renal system has to process,” says Dr. Maganti. Some people also experience dehydration on the keto diet because they’re eradicating glycogen, which holds water, from their bloodstream. “When you micromanage your food intake by tracking how much you eat, it disconnects you from what your body is asking for,” says Gomez. Monitoring food so closely can lead to psychological distress, such as shame, and binge eating. Restriction can lead to bingeing, which often leads to guilt, which then leads back to restriction in a continuous cycle. Both Dr. Ring and Dr. Maganti recommend balanced approaches, like the Mediterranean diet, for long-term weight loss. “You can still receive the benefits of ketosis while eating a varied and balanced diet through intermittent fasting,” says Dr. Ring. Gomez advocates making small changes based on your health goals. “All foods fit into a healthy diet,” she says. A person’s experience depends on many factors like metabolic flexibility, health status, and lifestyle. The adaptation period depends a lot on your metabolic flexibility which is how well you can adapt to using different fuel sources (i.e., carbs, fats, protein, and ketones). How To Reduce The Symptoms Of Keto Flu? Drink plenty of water (with a pinch of crude salt.) It’s extremely important to stay hydrated during the day, especially, during the transition period in order to avoid keto flu. Supplement your diet with sodium, potassium, and magnesium. This will help you to replace electrolyte loss, therefore reduce the symptoms of keto flu. Do regular low-intensity workouts in the morning (swimming, yoga, jogging). When you work out, you force your body to look for an alternative source of energy. Your liver then produces more ketones, and your body adjusts to the new source of fuel. Remember that stress, high-intensity exercises, and eating too much protein can make the process of keto-adaptation harder. If you’re insulin resistant, you might need to start lower, around 20 to 30 grams. Hard-charging endurance athletes can often eat 100 grams or more per day and still achieve ketosis. Everyone approaches keto dieting a bit differently. I recommend tracking total carbs instead of net carbs for ease of tracking, and I don’t worry about the carbs in above-ground green vegetables and avocados. If you’re tracking net carbs, 20 to 30 grams net is usually a good starting point. For more information about my approach to keto dieting, check out: Why Does the Keto Reset Allow 50 Grams of Carbs? What is the difference between total carbs and net carbs? Total carbs is just what it sounds like: all the carbohydrates contained in a given food. Net carbs is the total carbohydrate minus any fiber. Some keto plans count net carbs because fiber is not metabolized into glucose, so it doesn’t affect insulin levels or ketosis. How to calculate net carbs on keto? A diet high in convenience foods has also been associated with an increase in overall mortality, according to a May 2019 study published in BMJ. Nieves advises those with preexisting health conditions like diabetes and cardiovascular disease to tread with caution, but even if you don’t have those issues, be aware of the health drawbacks. In general, she adds, if you plan on going keto, consider the dirty version only when you need the convenience, and not as a long-term approach. How It Works Swinging in the opposite direction of the dirty keto approach is, naturally, clean keto. But it’s not a full 180, because you can still focus on convenience, says Raymore, Missouri-based Randy Evans, RD, consultant for Fresh n’ Lean, a meal delivery service specializing in keto foods. You also will still stick to the same macronutrient distribution as standard keto. The difference is that clean keto is based on sourcing the healthiest versions of foods.|Last week, U.S. News came out with a report on the “best and worst” diets to follow for 2018. I won’t spend too much time on the problems with their rankings, but one aspect that stood out was that the Keto Diet tied for the second-hardest diet to follow out of the 40 they considered. I’ve been on a keto diet for about six weeks now, and this challenge is the one I hear about the most. Many curious people are turned off from trying the ketogenic diet because it sounds extremely difficult: counting calories, only eating certain foods, not eating lots of other foods, not knowing what to eat out at a restaurant, having to cook more… In case you don’t already know how it works, a ketogenic (keto) diet is where you get most of your calories from fat, a moderate amount from protein, and very few from carbs. This is MUCH more fat than most people are used to eating. The ketogenic diet was originally created to treat neurological diseases like epilepsy. Over the last century, countless studies have been performed to examine the other health benefits of ketogenic diets. Heart disease: The ketogenic diet can improve cholesterol levels and reduce body fat and blood sugar-all risk factors for heart disease. Cancer: Keto is currently being used to treat cancers and slow the growth of tumors. Alzheimer’s disease: Keto may reduce the symptoms of Alzheimer’s disease or slow its advancement. Epilepsy: Research has indicated that the ketogenic diet can cause a sizeable reduction in the number of seizures experienced by epileptic children. Parkinson’s disease: One study produced evidence that the diet helped improve Parkinson’s disease symptoms, though more research is needed. Polycystic ovary syndrome: Keto can lower insulin levels, which may play a role in treating polycystic ovary syndrome. Brain injuries: One study conducted on animals found that keto can aid in concussion recovery and post-brain injury recovery.|It takes about three weeks of carbohydrate elimination for your body to transition into ketosis. Here are the pros and cons of the keto diet. “There has been anecdotal evidence of people losing weight on the ketogenic diet,” says Melinda R. Ring, MD, director of Northwestern Medicine Osher Center for Integrative Medicine. Gomez says people feel less hungry because fatty foods take a longer time to break down in the body. Weight loss not only comes from ketosis, but also from reducing calorie intake by eliminating food groups. On paper, burning fats by eating more of them is enticing, which is why the diet has become popular. The keto diet allows many people to eat the types of high-fat foods that they enjoy, such as red meats, fatty fish, nuts, cheese and butter, while still losing weight. The keto diet helps reduce seizures in pediatric patients with epilepsy. Endurance athletes and body builders also use it to scrap fat in short timeframes. The aim of the diet is to keep up the state of ketosis for longer periods, by not eating much carbohydrate. And when we say not much, we mean almost nothing at all. For an effective keto diet, you must cover no more than 5% of your daily calorie intake from carbs. Keto vs low carb diet: which one is better for weight loss and exercising? What do you eat on a keto diet? The tricky part is, for an average person, carbs tend to form the majority of their energy intake and switching from a high-carb diet to a high-fat diet will require some willpower. Good news is, you can gorge yourself on good fats during keto diet, like certain types of cheese and avocados. Also, if you are a fan of seafood, you are up for a treat: foodstuff like clams, oysters and squid contain very little carbs and therefore can be consumed more freely when doing keto.|The Keto Diet, or Ketogenic Diet is a high-fat diet that is moderate in protein and low in carbohydrates. This macro-nutrient ratio allows the body to switch from using carbohydrates (converted into glycogen in the liver) for energy, to using fat (converted into fatty acids and ketone bodies in the liver). The human body is like a hybrid vehicle, relying on either carbohydrates or fat for fuel. For the most part, it cannot use both fuels simultaneously. Consuming fat allows the body to access hundreds of thousands of calories of stored fats that have been locked away during carbohydrate metabolism. In addition to burning fat reserves and super charging weight loss, ketosis produces a clean burning metabolic fuel that has many benefits. Ketones lower production of reactive oxygen species (ROS),1 enhance mitochondrial biogenesis,2 3 and induce positive epigenetic expression.4 Because of its neurological benefits, I went on a Keto Diet in 2014, and it has been helpful in moderating my MS symptoms.
When the body’s glucose level is reduced due to the diet’s low carbohydrate content, the body acts as if it is in a starvation state - although it is not - and begins burning fats instead of carbohydrates. This process in turn yields chemicals called ketone bodies as an alternative source of fuel. When the body burns ketone bodies, tissue-protective gamma delta T-cells expand throughout the body. This reduces diabetes risk and inflammation, and improves the body’s metabolism, said Dixit, the Waldemar Von Zedtwitz Professor of Comparative Medicine and of Immunobiology. After a week on the keto diet, he said, mice show a reduction in blood sugar levels and inflammation. But when the body is in this “starving-not-starving” mode, fat storage is also happening simultaneously with fat breakdown, the researchers found. When mice continue to eat the high-fat, low-carb diet beyond one week, Dixit said, they consume more fat than they can burn, and develop diabetes and obesity. “They lose the protective gamma delta T-cells in the fat,” he said. Long-term clinical studies in humans are still necessary to validate the anecdotal claims of keto’s health benefits. “Before such a diet can be prescribed, a large clinical trial in controlled conditions is necessary to understand the mechanism behind metabolic and immunological benefits or any potential harm to individuals who are overweight and pre-diabetic,” Dixit said. There are good reasons to pursue further study: According to the Centers for Disease Control, approximately 84 million American adults - or more than one out of three - have prediabetes (increased blood sugar levels), putting them at higher risk of developing type 2 diabetes, heart disease, and stroke. More than 90% of people with this condition don’t know they have it. Obesity and type 2 diabetes are lifestyle diseases. Diet allows people a way to be in control. That means you’ll look for terms like organic, grass-fed, pasture raised, and cold-pressed. You’ll also lean heavily towards whole plant foods, Evans says. Who It's Best For This approach is for those who focus on food quality just as much as they do on macro tracking. Also, clean keto may involve more financial investment, since grass-fed meats and cold-pressed extra-virgin olive oil tend to be pricier than lower-quality options, especially those packaged for convenience. Risks to Note Focusing on the healthiest possible foods - and bringing in a fridge-load worth of plants in the process - doesn’t include many cautionary notes, according to Evans. That said, because plant foods still contain carbs, you’ll need to keep your macros in mind. If you can, this can be a relatively healthier way to do the fad diet. It’s a good idea to meet with your doctor or a registered dietitian any time you switch up your diet - whether you’re on keto or another eating plan. And above all, Torchia says to listen to your body and assess your energy level and how you’re feeling on the diet. “You will be your best teacher,” she says.|Curious About the Keto Diet? Clinical dietitian Mary Montgomery explains what you need to know about this almost-no-carb diet. Save this to read later. The ketogenic diet has gotten a lot of hype recently, but is it healthy? For those looking to shed a few pounds and keep them off, the ketogenic diet may be worth exploring. Like the Atkins diet, the very-low-carb, high-fat ketogenic diet - or keto diet for short - boasts effective weight-loss results. But the keto diet is also proving to be beneficial for other medical conditions, including epilepsy, diabetes, Alzheimer’s disease, and even cancer. Health Matters spoke with Mary Montgomery, MS, RD, CDN, a pediatric clinical dietitian at NewYork-Presbyterian/Weill Cornell Medical Center, to learn about what the diet entails, why it’s become so popular, and who might benefit from eating this way. What is the ketogenic diet? The ketogenic diet is a diet that is high in healthy fats, moderate in proteins, and low in carbohydrates.
Listen to your body’s signals and be patient. If you finished your meal and are still hungry, try drinking some water, brushing your teeth, distracting yourself with something fun to do, or just waiting 20 minutes for your brain to catch up. If you’re still hungry after that, try a salty, water-packed snack, like olives or pickles. 6. Carbs Are A Limit, Protein Is A Goal & Fat Is A Lever. The most important key to getting into ketosis is restricting carbohydrates, but there is more to it. Your other macros, which is short for macronutrients, play a role as well. Carbs are a limit. This means you set the maximum that you can consume per day - typically up to 20 to 30 grams per day for most people. If you go under this number, that’s okay! It’s not a hard goal, just a limit. Protein is a goal. MCT: This version allows for a higher protein and carb intake than classic keto. MCT is short for Medium Chain Triglycerides, or highly ketogenic man-made fats. Modified Atkins: Carbs are limited in modified Atkins, while fat is encouraged. Protein is not limited at all. When you do consume carbs on this diet, fats should accompany them. Intermittent Fasting: This dietary intervention launches the body into ketosis by shortening the window of time that you eat during the day. For instance, you may only eat during an 8-hour window of the day, and fast for the other 16 hours. This forces the body to burn energy from fat. Only the classic and high-protein ketogenic diets have been researched and studied extensively by professionals. Other, more advanced, versions of keto are primarily used by bodybuilders and elite athletes. Since the classic method is the most researched, it is often the most recommended. If you're serious about sticking to this diet and experiencing all of its miraculous effects-including weight loss- remember to devote some time to meal prepping. In the process of learning how to make time for meal prep, I also discovered a handful of new favorite foods. Because let's face it, I couldn't live on eating whole avocados in one sitting and dousing everything in cheese and butter for 10 days. I had to get creative in the kitchen. To boost my daily fat intake, I experimented with foods I've never thought I'd love before going keto. Low-carb picks such as House Foods' tofu noodles (pictured above) and Keto Carne (zero-sugar beef jerky), as well as high-fat snacks such as Cacao Vita's single-origin cacao nibs, became my go-to kitchen staples. For breakfast, I found myself munching on two squares of 90-percent cacao with some almonds (see below) or two tablespoons of Kite Hill Chive Cream Cheese Style Spread (this stuff will make you forget about real cheese!).
Start with the easiest fasting window of 8-10 hours between dinner and breakfast. Track your carb intake. Carb restriction lowers blood sugar and insulin levels, leading to the release of ketones. Make sure to stick to the recommended daily intake of carbs to enter ketosis and get all the benefits of this metabolic state. Try to add more healthy fats into your daily routine instead of eating saturated fats and highly-processed foods. 75% of your daily caloric intake should come from fat, as it will boost your ketone levels. Focus on healthy fats like chicken broth, olive oil, ground beef, butter, avocado, avocado oil, nuts, flax seeds, hemp hearts, chia seeds, olives, fatty fish, whole eggs, and coconut oil. Avoid eating artificial trans fats (cakes, cookies, pastries, biscuits, crackers), processed meats (deli meat, sausages, salami, hot dogs, and cured and smoked meats) as well as fried food. Use MCT oil regularly. The medium-chain triglyceride fat in MCT oil will help you raise the ketones level in your body. Welcome to the Mark’s Daily Apple Keto Diet Hub! Mounting research suggests that keto could represent one of the greatest nutritional breakthroughs of our time-and that it may be the most effective weight-loss strategy ever. Are you ready to reprogram your metabolism, claim better health, and boost your body’s natural fat-burning abilities? Then you’ve come to the right place. I built this comprehensive online guide to share the science behind keto success, the secrets to becoming fat-adapted, and helpful resources as well as dozens of delicious recipes for planning your individual keto choices. Within these pages, you’ll find I distill the latest medical research and offer honest analysis of popular (and less common but effective) keto strategies. My aim at Mark’s Daily Apple has always been to provide cutting-edge information for achieving optimal health and sustained well-being-no matter what your current age, weight, fitness or goals. Cruise around this guide, using the sidebar on the right as your navigation source.|Need a Keto Diet Plan you can stick with? If you're just starting, check out this Keto Diet Plan for week 1 so you can get started on the right foot! The Best Keto Meal Plan For Week 1 | What Do You Eat The First Week Of Keto? For those of you who would like to give Keto a try and don't know where to start, I've put together a simple plan of keto meals to help you kick off the first week. This covers everything from keto dinner ideas to keto snacks. My goal here is to boil it down and make the ketogenic diet easy and less intimidating in order to get you started. First, a disclaimer. I am not a medical, or health care professional so you definitely want to consult what my sons call "a real doctor, not a Ph.D. like my Mom". The ketogenic (keto) diet is based on a metabolic process called “ketosis,” which happens when your body does not have enough glucose for energy, so it burns fat instead. People with pancreatic or liver problems, or problems with fat metabolism should also avoid the ketogenic diet. This is because the diet is so high in fat that it puts added pressure on both organs, which are essential for fat metabolism . It is also worth considering that eating a well balanced, keto diet is actually very expensive. For most people, following a low carbohydrate diet, rather than a no carbohydrate diet, is much more practical - as it will also allow for the inclusion of fruit and all vegetables. This represents much better dietary balance and usually leads to people sticking with it for longer. As always with weight loss, in the end it all comes down to taking less energy in than you burn. In the UK, the National Diet and Nutrition Survey says that on average, people get about half of their energy from carbohydrates. So by cutting out the source of half of your energy from your diet - even if some of that energy is replaced by fat - you are likely to reduce your energy intake, which leads to weight loss. But if you can’t sustain the keto diet, don’t worry, you are in the majority. Try considering why you eat, rather than what you eat. Tackling convenience buying and emotional eating is the key to successful weight loss for most people.|There are seven steps to starting a successful targeted keto diet. First, you must follow a standard keto diet for at least four to six weeks. Then, you must determine your unique carb count. Third, minimize carbs. Fourth, eat carbs before or during exercise. Fifth, eat fast-absorbing carbs. Sixth, keep calories constant. 14. How Do I Start the Standard Keto Diet? A successful targeted keto diet starts with first following a standard keto diet for four to six weeks. This ensures your body is fat-adapted and will slip back into ketosis easily after you eat carbs. To start a standard keto diet, keep carbs under 20 grams per day and drink plenty of water. Measure your ketone and glucose levels every day until you have entered ketosis. To kick-start your keto diet, you can fast for 48 to 72 hours and exercise. You won’t enter ketosis until your body has consumed all its stored glycogen. When you exercise, your body burns more energy, and when you don’t eat anything, your body can only get fuel from its glycogen and fat stores.
The keto diet is all about finding the sweet spot of ketosis. However, if it’s a biological process going on inside your body, how can you tell that you’ve hit it? This is where you have two options. Being in ketosis means the levels of ketones will be higher in your body than normal. Therefore to get an accurate result - a breath, urine, or blood sample will do the trick. However, option two is a far simpler. There are people out there who let their state of ketosis take over their diet. To be honest it’s nothing to get hung up over and it’s far better to concentrate your efforts on eating the right foods. Are There Any Side Effects to the Keto Diet? In most cases, the keto diet is considered a safe way to lose weight and reap the benefits. However, in spite of all the good things mentioned, it is possible to experience some mild side effects.|Employ whatever tools or strategies you need to make your life easier while you transition to a new way of eating. Most importantly, check in with your body as you go. Are you sharpest with a weekly carb refeed, or do you do better on a full ketogenic diet? Do you burn out when you dip below 100 grams of carbs per day? There’s a lot of variation within lower-carb diets, and some people feel their best with different styles of eating. Find a good balance that works best for your body. What is Metabolic Flexibility and How Can You Achieve It? If you’re someone that feels like more data is helpful, calculating your macros using a macro calculator can be helpful when you’re starting out. Every body is different, and calculating the exact nutrition you need in your keto diet plan can help you get started on the right track without wondering why your keto journey isn’t hitting your goals. I look forward to the smooth, buttery coffee now, and you’ll probably find you enjoy the taste too. Make a fist. That’s how much fatty meat you get, twice a day. For me that comes out to about 1lb or 16oz of steak total, which has exactly the amount of protein I need to hit my ratios. If you’re smaller, it will likely be more like 12oz, which should be around the amount you need. This rule isn’t perfect, but it’s a simple starting point. Instead of constantly trying to figure out how much protein you’re getting, hold your fist up to it, and remember that you get two fists of fatty meat per day. You’ll get most of your fat from your fatty breakfast and your fatty meats, but you still need to add a bit more into each meal to make sure you hit your goal. The easiest way to do this is to add cheese, salad dressing, or nuts.|US News and World Report recently released their annual diet ranking list. Unfortunately, they ranked the Keto diet shockingly low, at number 37. The Low-Carb Action Network (L-CAN) wonders why US News would cite concerns about nutritional imbalances and sustainability, when there are over 65 clinical trials proving its effectiveness. Indeed, L-CAN has a page dedicated to keto and low-carb diet nutritional adequacy. As for how sustainable keto diets are, L-CAN would suggest that US News visit our success story page, which highlights the life-changing and long-term results Americans have seen from adopting a low-carb lifestyle. In fact, this is not the first time US News has shown bias against a low-carb or keto diet. In March, the magazine published an article criticizing the Department of Veteran Affairs (VA) for launching a program that uses a ketogenic diet combined with a mobile app to treat Type 2 diabetes, in partnership with a private company, Virta Health. The ketogenic diet can be dizzyingly complicated. You want to load up on fats and protein, and keep your carb intake low-but all fats and proteins aren’t alike, and there are some veggies higher in carbohydrates than others. Oh, and fruit is pretty much banned. But don’t worry: We’ve put together the best and worst of each category so you can go keto with confidence. Saturated fats including coconut oil, ghee, grass-fed butter, duck fat, tallow, and lard-all essential for a healthy immune system, dense bones, and proper testosterone levels. Monounsaturated fats like olive, avocado, macadamia, and almond oils, which boost heart health and provide vitamin E-important for vision and a strong immune system. Polyunsaturated omega-3s such as wild-caught salmon, sardines, and sustainably harvested seafood-to prevent heart disease and stroke and reduce blood pressure. Medium-chain triglycerides, fatty acids that are easily absorbed and used for energy. Linked to weight loss, MCTs increase satiety and rev-up metabolism. Refined fats and oils like sunflower, canola, soybean, grapeseed, and corn oils, which have been processed at high temperatures, creating free radicals that can damage cells. More than half the children with epilepsy who were put on the diet experienced half as many seizures, while 10 to 15 percent of the patients who followed this diet became seizure-free. The keto diet has also been studied as a possible cancer therapy. In a study focusing on people with cancer who followed the ketogenic diet as a medical therapy,4 the authors reported: “There is a great need for complementary approaches that have limited patient toxicity while selectively enhancing therapy responses in cancer versus normal tissues. In another study looking at ketogenic diets as a treatment for cancer,5 this research team concluded, “based on the results of rigorous preclinical and clinical studies performed thus far, the KD would appear to be a promising and powerful option for adjuvant therapy for a range of cancers. Proponents of the keto diet say that when and followed precisely, it does not “starve” the body.
No. However, you will need to significantly cut back on your carb intake at first. After two to three months, you can have carbs on special occasions-as long as you return to the diet right after. Will I lose muscle mass? There is some risk of losing muscle mass in any diet. However, high protein intake and ketone levels can minimize muscle loss, particularly if you strength train. What if I am constantly fatigued? If you’re constantly feeling tired or fatigued, you may not be in full ketosis. Your body might not be using ketones and fats in the most effective way. You should try lowering your carb intake or adding supplements to your diet. MCT oil or exogenous ketones can help battle fatigue. I have digestion issues. What should I do? Digestive disturbances are a common side effect of switching to a ketogenic diet. Symptoms should pass in three to four weeks. In the meantime, try eating more high-fiber vegetables or supplementing with magnesium to relieve constipation. After 20 years of January diets, my own experience suggested that nothing made any difference: you only lost weight if you took in less calories than you used, and if you took in less calories than you used then you were hungry. Simple as that. Could it be that a ketogenic diet really was different? Well, the principle makes sense. Bizarrely named “ketone bodies” are actually molecules that act as the body’s natural back-up fuel supply when glucose is scarce. Normally, we only enter ketosis (where ketone bodies accumulate in the blood) when we starve ourselves - not just overnight or by missing a meal, but for several days at time. Our metabolism then switches to fat-burning, and converts stored fat molecules into ketone bodies that can power our muscles and brain because the glucose has run out. Being in ketosis, then, does sound like a great way to burn off the fat. This post and photos may contain Amazon or other affiliate links. As an Amazon Associate I earn from qualifying purchases. If you purchase something through any link, I may receive a small commission at no extra charge to you. All opinions are my own. Whether you’re just starting the ketogenic diet or you’ve been on it, but stalled, this post will clear up any confusion on how much fat your body really needs for weight loss on a keto diet. HOW MUCH FAT FOR WEIGHT LOSS ON KETO? Fat is a controversial topic in the keto world space. If you’ve been on a ketogenic diet and have had success, you may be in the camp of high fat, close to 75% in your day, as being the best way to get your body into ketosis and lose weight. Or you may be in the camp that the classic high fat ketogenic macros didn’t help you to lose weight at all. Wherever you fall, the ketogenic diet is not a one-size-fits-all approach.|In the absence of glucose, which is normally used by cells as a quick source of energy, the body starts to burn fat and produces ketone bodies instead (it’s why the keto diet is often referred to as the ketone diet). Once ketone levels in the blood rise to a certain point, you enter into a state of ketosis - which usually results in quick and consistent weight loss until you reach a healthy, stable body weight. See this keto diet review, a before and after trying keto for 30 days. To sum up a complex process, you reach this fat-burning state when the the liver breaks down fat into fatty acids and glycerol, through a process called beta-oxidation. There are three primary types of ketone bodies that are water-soluble molecules produced in the liver: acetoacetate, beta-hydroxybutyrate and acetone. The body then further breaks down these fatty acids into an energy-rich substance called ketones that circulate through the bloodstream. Fatty acid molecules are broken down through the process called ketogenesis, and a specific ketone body called acetoacetate is formed and which supplies energy. When you deprive your body of glucose, either by fasting or by following a very low carb diet (VLCD) like the ketogenic diet, your body enters the metabolic state called ketosis-it’s primarily getting fuel by burning stored fat. This means that to achieve ketosis, you have to limit your carb intake to less than 50 grams per day (most people should reach ketosis within a week of following the diet). To put this in perspective, the low-carb diet you’re most familiar with-the Atkins Diet-recommends about 130 grams of carbs per day. Also for reference, one bagel has about 55 grams of carbs. Following a ketogenic diet, your food intake would be roughly 5 to 10 percent carbohydrates, 15 percent protein, and 75 to 80 percent fat. This would be a pretty seismic shift for most people who follow a standard American diet; according to a 2016 report by the CDC, the average American adult’s diet is 50 percent carbohydrates, 16 percent protein, and 34 percent fat.
Department of Agriculture (USDA). Net carbs, which are an unofficial term, are defined as total carbs minus fiber and sugar alcohols, according to the website for the Atkins diet, another low-carb plan. For most people, going that low won’t be easy: The typical American woman over age 20 gets nearly 50 percent of her calories from carbs, according to the Centers for Disease Control and Prevention (CDC). For example, on a 1,400-calorie diet, this would be equivalent to about 175 g of carbs daily. Meanwhile, you’ll need to reach for lots of healthy high-fat foods, like fatty fish, avocado, olive oil, nuts, and eggs. Butter, bacon, and cheese are also allowed, though these are among the less-healthy choices for fat. The goal is to get about 70 to 80 percent of your daily calories from fats overall. That’s just part of the struggle when following keto. You’ll likely also see various side effects, especially in the first few weeks, such as headaches, fatigue, and drowsiness - all signs of the so-called keto flu. From your brain to your blood cells, glucose is typically the most readily available source of energy. We get glucose from the foods that we eat - whether that’s breads and refined sugars or those found naturally in nature, like fructose from fruits. But to keep the body and brain functioning in times of starvation when carbohydrates weren’t available, the human body can adapt to using ketones, instead of carbs for fuel. While the shift from using glucose to ketones might seem unnatural, your brain actually processes ketones more efficiently than glucose. Your brain is like a luxury car - why put in economy fuel if you can afford premium? But don’t just take our word for it. The keto diet was originally created to treat epilepsy in children, and is still used today in treatment for children and adults with drug-resistant forms of epilepsy. Does the ketogenic diet work? According to the NIH, there is, “no doubt that there is strong supportive evidence that the use of ketogenic diets in weight loss therapy is effective.” In fact they agree that there are many other positive benefits too, like improved mood and protection from cognitive impairment caused by obesity.
Butter, heavy cream, sour cream, organic cheese, full-fat/unsweetened yogurt, kefir, milk. What foods should you avoid on a keto diet? Hot topic alert! There’s quite a bit of debate when it comes to foods to avoid on a keto diet. That’s because many followers struggle with the restrictive nature of the diet, so they sometimes turn to processed food that’s technically “allowed” since it’s high in fat but low in carbs. Other followers, like Sisson, vehemently oppose this practice, insisting that it misses the entire point of the keto diet. “The Internet buzz about ‘dirty keto’ is a great example of how NOT to do keto. Blending diet orange soda, heavy cream and ice into a slushy might be zero carb, but it offers little nutritional value and will not necessarily support internal ketone production. The prevalence of processed and packaged snacks labeled keto is pause for reflection, as we should better emphasize whole foods as close to their original state as possible,” he says. The ketogenic diet requires eating your macronutrients at a ratio of 60 percent fat, 30-35 percent protein and 5-10 percent carbohydrates. For someone consuming 2,000 calories a day, they would only be allowed to consume 20-25 grams of carbohydrates. Eating carbs at such low levels requires staying away from foods such as rice, pasta, bread, fruit and potatoes. However, you can eat foods high in dietary fat such as meats, nuts, cheese, avocados and eggs. How does the keto diet work? Avoiding eating carbohydrates and increasing the amount of dietary fats you eat for a long period of time (1-2 weeks) causes your body to change its metabolism and enter a condition called ketosis. Ketosis mimics the effects of prolonged fasting and starvation. We use fuel (e.g., the calories we eat) in a way that can be compared to hybrid cars. If one fuel source is used up, the backup fuel source will kick in. Normally our brains rely heavily on a steady supply of glucose (carbs) for fuel.|The ketogenic diet is having a moment. And, its 15 minutes of fame don’t appear to be fading anytime soon. So, why is keto so popular right now? The ketogenic diet has actually been around for a long time and was originally created to help treat kids with epilepsy. One reason it may have gained attention (aside from celebs touting it on Instagram) is that it is similar - but even more extreme - to the wildly popular Atkins diet. And, we all remember the Atkins era. People lost weight fast. On a keto diet as well, people tend to see quick results. Another possibility for its popularity is that it’s an easy diet to understand due to some straightforward rules. What's the best diet for weight loss? What is a keto diet? In case you haven’t jumped on the keto train and are wondering what exactly all the hype is about, here you go: The diet is very high fat and (almost) no carb. Burning fat seems like an ideal way to lose pounds. It requires that you deprive yourself of carbohydrates, fewer than 20 to 50 grams of carbs per day (keep in mind that a medium-sized banana has about 27 grams of carbs). It typically takes a few days to reach a state of ketosis. Eating too much protein can interfere with ketosis. What do you eat? Because the keto diet has such a high fat requirement, followers must eat fat at each meal. In a daily 2,000-calorie diet, that might look like 165 grams of fat, 40 grams of carbs, and 75 grams of protein. However, the exact ratio depends on your particular needs. Some healthy unsaturated fats are allowed on the keto diet - like nuts (almonds, walnuts), seeds, avocados, tofu, and olive oil. But saturated fats from oils (palm, coconut), lard, butter, and cocoa butter are encouraged in high amounts.|For some the keto diet can be easier to maintain than other diets because you get to eat delicious foods like nuts, avocados and cheese, while still feeling full. Unlike many other diets that are hard to upkeep socially, keto also allows for moderate consumption of wine and other alcohol. The keto diet is a great way to look, and feel great. What do you eat on the keto diet? With keto you should aim to have 70% of your calories come from fats, 25% from protein and 5% or less from carbs. This means you’ll need to exclude sweet or starchy foods from your diet - not just sweets but also grains, potatoes and high-carb fruits like grapes or bananas. With keto you should get the majority of your calories from fat and some protein. This means eating high-fat proteins and choosing low-carb vegetables like cauliflower. Cheeses - all kinds! Beginning a new weight loss diet is not always a simple transition. And the ketogenic diet - a trendy low-carbohydrate, high-fat plan that may produce quick results - is no exception. One of the biggest hurdles of going keto is putting and keeping your body in ketosis. Ketosis is a natural metabolic state that results in your body burning fat instead of carbs for fuel (when it doesn’t have enough carbs). So, naturally, to achieve ketosis, you’ll have to say goodbye to most carbs and hello to fat - and lots of it. It depends on which version of keto you’re doing, but generally, you’ll aim to get 5 to 10 percent of your total calories from carbs on the diet. The goal is to consume only 20 to 50 grams (g) of net carbs per day - or less than the equivalent of ½ cup of long-grain brown rice, which contains 25 g of total carbs (and about 23 g net carbs), according to the U.S.
This process is known as ketosis: It’s like when a hybrid car runs out of gas and reverts to pure electricity. “Your liver produces ketones all the time, but the rate depends on carbohydrate and protein intake,” says Jeff Volek, Ph.D., R.D., a professor of human sciences at Ohio State University. When the majority of your diet is made up of of carbs and protein, ketogenesis slows. Replacing carbs and protein with fat will put your body into ketosis, thus ramping up ketone production. Essentially, you're burning fat instead of carbs for energy. This process takes about three days to induce. Can’t you take ketone supplements? No. While it is possible to elevate ketones by taking them, “without the low-carb stimulus, there is no net increase in ketone production, no decrease in insulin, and no net increase in fat oxidation,” says Volek. Don’t trust trainers or “body hackers” who say you can induce ketosis quickly without changing your diet. What can you eat on the keto diet?|Can it promote weight loss? There are several proposed weight loss mechanisms associated with the ketogenic diet, though long-term studies are lacking. Thus, the keto diet may be an effective strategy to regulate your hunger levels, though its long-term safety must be taken into consideration. Another potential weight loss mechanism of the keto diet is the loss of water weight that accompanies the significant reduction in carb intake. Thus, when you reduce your carb intake, such as during the initiation phase of the keto diet, stored carbs are released along with additional fluid, resulting in weight loss of varying amounts. To determine whether the keto diet can aid weight loss, it’s important to review how weight loss is traditionally achieved. To lose weight, you must eat fewer calories than you burn, which is also referred to as a calorie deficit. One study in 17 men with obesity or excess weight found that the keto diet was associated with a small increase in the number of calories burned. These results suggest that the ketogenic diet is not necessarily superior to a traditional diet for weight loss when calorie intake is matched. The keto diet’s weight loss effects are therefore much more likely to be a result of reduced calorie intake due to changes in satiety signals associated with high fat, very low carb diets. The keto diet has been associated with weight loss, though the exact mechanisms remain unclear. Studies suggest that weight loss related to the keto diet is likely due to a calorie deficit, reduction in hunger levels, and water weight loss. High-carb sauces: Barbecue sauce, sugary salad dressings and dipping sauces. Certain alcoholic beverages: Beer and sugary mixed drinks. Though carbs should be restricted, low-glycemic fruits such as berries can be enjoyed in limited amounts as long as you’re maintaining a keto-friendly macronutrient range. Be sure to choose healthy food sources and steer clear of processed foods and unhealthy fats. Unhealthy fats: Margarine, shortening and vegetable oils such as canola and corn oil. Processed foods: Fast food, packaged foods and processed meats such as hot dogs and lunch meats. Diet foods: Foods that contain artificial colors, preservatives and sweeteners such as sugar alcohols and aspartame. Sugar can be found in a wide variety of beverages including juice, soda, iced tea and coffee drinks. While on a ketogenic diet, high-carb drinks must be avoided just like high-carb foods. Thankfully, there are many tasty, sugar-free options for those on the keto diet. Water: Water is the best choice for hydration and should be consumed throughout the day. Sparkling water: Sparkling water can make an excellent soda replacement. Unsweetened coffee: Try heavy cream to add flavor to your cup of joe. Unsweetened green tea: Green tea is delicious and provides many health benefits. If you want to add some extra flavor to your water, try experimenting with different keto-friendly flavor combinations. For example, tossing some fresh mint and lemon peel into your water bottle can make hydration a breeze. Though alcohol should be restricted, enjoying a low-carb drink like vodka or tequila mixed with soda water is perfectly fine on occasion. A healthy ketogenic diet should revolve around high-fat, low-carb food choices and restrict highly processed items and unhealthy fats. Keto-friendly beverage options must be sugar-free. Consider water, sparkling water or unsweetened green tea and coffee. Now that you’ve cleaned out everything you don’t need, it’s time to restock your pantry and fridge with delicious and wholesome, keto-friendly foods that will help you lose weight, become healthier, and feel amazing! With these basics in your home, you’ll always be ready to make healthy, keto-friendly meals. Just about every type of fresh meat and fish is good for a ketogenic diet including beef, chicken, lamb, pork, salmon, tuna, etc. Eat grass-fed and/or organic meat and wild-caught fish whenever possible. Eat as many eggs as you like, preferably organic from free-range chickens. Eat plenty of non-starchy veggies including asparagus, mushrooms, broccoli, cucumber, lettuce, onions, peppers, cauliflower, tomatoes, garlic, Brussels sprouts and zucchini. You can eat full-fat dairy like sour cream, heavy (whipping) cream, butter, cheeses and unsweetened yogurt. Although not dairy, unsweetened almond milk and coconut milk are both good milk substitutes. Stay away from regular milk, skim milk and sweetened yogurts because they contain a lot of sugar. Avoid all fat-free and low-fat dairy products. Olive oil, avocado oil, butter and bacon fat are great for cooking and consuming. Avocado oil is best for searing due to its very high smoke point (520°F). Coconut oil is also widely used in keto recipes and works particularly well in keto-friendly desserts. Berries like strawberries, blueberries, raspberries, etc. are allowed in small amounts. Avocados are great because they’re low carb and very high in fat! Stevia and erythritol are our great choices for low-carb friendly sweeteners. Learn more in our full guide to erythritol. Timothy Noakes, M.D., is an emeritus professor in the Division of Exercise Science and Sports Medicine at the University of Cape Town. While his name may not ring a bell here in the U.S., he’s a full-blown celebrity in his native South Africa and one of the most accomplished exercise physiologists on the planet. You can’t walk by a restaurant in Cape Town that doesn’t offer a “Noakes option”-say, an avocado stuffed with breakfast sausage and eggs, or a double cheeseburger with lettuce sans bun-and evidence of his teachings seems to be everywhere, mostly in the form of the nation’s best-known athletes, including ageless golfing legend Gary Player and eight-time Ironman World Champion Paula Newby-Fraser. In fact, Noakes’ celebrity these days is such that he’s even been pulled into South African presidential politics: To echo the country’s papers of record, “Is President Jacob Zuma’s and his wife’s dramatic weight loss a result of the Noakes Diet? What are the risks of keto cycling? Setting aside intense cravings, there may be other risks of cycling on and off the keto diet. In one short-term, small study, researchers investigated the impact of following a strict keto diet for six days and then going off plan by consuming a drink containing 75 grams of carbohydrate. For reference, that’s slightly less than the amount of carbs in two cans of soda. The damage: “We saw a temporary increase in the levels of endothelial microparticles (sometimes called micro vesicles) in the blood,” explains study co-author and Assistant Professor at the University of British Columbia Jonathan P. Little. Endothelial cells are the single layer of cells that line and protect our blood vessels. “Microparticles are small vesicles that get released from cells when they are inflamed or damaged, so finding an increase in endothelial microparticles tells us that the endothelial cells that line our blood vessels experienced some damage and inflammation when glucose spiked.” Though he says that the increase in markers of blood vessel damage was temporary, the long-term impact remains unclear. This is a keto diet with a mostly plant-based or pescatarian twist. It’s a great fit for people who want to experience the benefits of keto but still want to eat a largely plant-based diet. “Eco-Keto” is a catchy way of describing an eco-friendly, ketogenic diet. Most people interpret eco-keto as being totally plant-based, aka a vegan keto diet. Find out how you can combine intermittent fasting and keto. How do you know you’re in ketosis? The best way is to test yourself either through urine tests, a breath test or a blood test, says Whitney Lauritsen, co-author of The Vegan Ketogenic Diet Cookbook. “In the book we talk about the different pros and cons. So the urine test can measure your level. You pee on it. It’s very affordable. It gives you quick results. You can buy them online, but it’s not the most reliable test,” she says. “A breath test you can buy a device online and that can measure the byproducts of ketones in your breath.
Similar to the Medifast diet, the Nutrisystem diet largely consists of prepackaged, frozen meals, which can cost up to $400 a month (excluding the additional groceries you may need to prepare some of the food yourself). Klodas says the ingredient profiles of many of Nutrisystem's prepackaged meals should be subject to skepticism, since they're laden with additives, preservatives, and artificial flavors. Best diet for heart health. Klodas isn't the only health expert who thinks the Mediterranean diet is great for your heart. In fact, it was the top diet in U.S. News' ranking of the best diets for overall health this year, which is created by a panel of registered dietitians, physicians, and preventive medicine specialists (just to name a few). The Mediterranean diet emphasizes whole foods, primarily fresh fruits and vegetables, legumes, and lean protein selections like fish. And unlike these other diets, this way of eating is considered a lifestyle rather than a quick way to lose weight. That means two-thirds experienced no symptoms at all. Important: For people who do experience the keto-flu, it's most likely you'll notice them during the first 24 to 48 hours of starting the keto diet, says Keatley. On average symptoms will last between a few days to a week. However, in rare cases, symptoms can last up to a month. See a doctor if you are still feeling under the weather after a week or two of starting the diet. The good news is that there are measures you can take before and during keto to avoid and treat keto flu symptoms. Going keto puts you at an increased risk of dehydration. That's because you may need to go to the bathroom more as your body burns ketones instead of carbs. Even being mildly dehydrated will cause or exacerbate keto flu symptoms like fatigue and dizziness, says Shemek. Therefore, it's important to drink plenty of water throughout to replenish lost fluids. Quick tip: An easy way to check on your hydration levels is to check the color of your urine. If you’re trying out the keto diet you should take care to avoid sugary, starchy foods. Remember- carbohydrates should make up less than 5% of your entire calorie intake. Aim to have an absolute maximum of 50 grams of net carbs a day, but aim for 20 grams or less. Are there any ketogenic diet side effects? Immediately after starting the diet during the first week, some dieters may experience what is referred to as the “keto flu“. The keto flu is a term colloquially used to describe the general feelings of malaise some dieters feel at the beginning of the low-carb high-fat diet. Keto flu can be prevented or helped by focusing on getting plenty of sleep, increasing electrolyte intake, and reducing consumption of dehydrating drinks like caffeine and alcohol. But fear not! Starting out with keto has some positive benefits, too. During the initial adjustment phase most dieters report rapid weight loss - losing up to 10 lbs of body weight in 2 weeks or less. Anxiety, depression, PTSD, and other mental health issues have been shown improvement with a very low carbohydrate diet. To reduce brain fog and improve cognition. In a study from 2014, improved memory, cognition, and other ‘thinking’ aspects are correlated with a ketogenic diet. Epilepsy and seizures - historically this has been the most medically-common use of the ketogenic diet (source) For children on keto - please see this article to discuss children and keto further. Cancer, especially alongside conventional cancer treatments. Numerous studies show anti-tumor properties associated with the ketogenic diet. To balance HDL and LDL. A study from 2004 showed improved cholesterol markers in obese patients after 24 weeks on the ketogenic diet. Athletic performance, especially for endurance athletes. A 2014 study on endurance cyclists showed increase athletic performance, especially when they had been on the ketogenic diet long term, when riding for 2-5 hours. The study also showed lower muscle damage following exercise compared to those following a carb-heavy diet. “Both alcoholic ketoacidosis and diabetic ketoacidosis create medical emergencies due to the rapid change in the body’s acid-base balance,” Dr. Gonzalez-Campoy says. Common complications of diabetic ketoacidosis include very low blood sugar, or hypoglycemia, and swelling of the brain (cerebral edema). As such, when a person is in ketoacidosis, there is such a high level of ketones produced that can push a person into cardiac arrest (heart attack) or kidney failure. Hence, the very important reason for taking occasional keto breaks go give your body a bit more nourishing carbs. The ketogenic diet was originally formulated by doctors to help treat people with epilepsy, and it was found especially effective in children who didn’t respond to medication.1,2 Indeed, the keto diet has been found to reduce the frequency and intensity of seizures, which are common complications of this condition. This high fat/low carb diet may also help improve certain other neurological disorders like Alzheimer’s disease and Parkinson’s disease,3 according to the Epilepsy Foundation. Tracking your macros and net carbs can be tricky, so I advise you download a keto app that includes a keto diet calculator. It will help keep you on track. A popular keto supplement are exogenous ketones (popularly called “keto diet pills”) that may help you achieve results earlier as well as remain in that state. Also, consider supplementing with the amino acid leucine, as it can be broken down directly into acetyl-CoA, making it one of the most important ketogenic amino acids in the body. While most other amino acids are converted into glucose, the acetyl-CoA formed from leucine can be used to make ketone bodies. It’s also present in keto friendly foods like eggs and cottage cheese. It’s important to also drink lots of water, the most important of all keto drinks. Getting enough water helps keep you from feeling fatigued, is important for digestion and aids in hunger suppression.
With each new year, people often look into switching up their diet. And, with 2021 quickly approaching, chances are, you’ve heard someone in your run club or even a friend talk about the ketogenic diet. It’s been buzzed about for a while now thanks to claims that it’s an effective way to lose weight, but you may still be wondering, what is keto and does keto work? Whether runners should try it is still up for discussion, so we tapped top experts to help set the record straight. Unlike low-carb, high-fat diets, the ketogenic diet (or keto diet) sets very strict guidelines on how to break down your macronutrient (carbohydrate, protein, and fat) intake. Those following keto consume 80 percent of their calories from fat and almost zero from carbs-the fuel source your body and brain prefer to tap first as it’s the fastest and most easily accessible. Staples of the keto diet include fish, meat, eggs, dairy, oils, and green veggies.|The diet asks for cutting out major groups of foods, such as grains, legumes and dairy and sometimes cutting back on certain nutrient-rich vegetables. The idea is to get your body to switch from burning carbs to burning fat for fuel, in turn producing ketones, leading to ketosis. Instagram feed - plates heaped with steaks, bacon and avocado. Meal delivery companies are accommodating keto eaters, too, like they might for vegetarians or vegans, even offering strip tests to test your ketone levels. But USC experts say to exercise caution when trying out the trend. The ketogenic diet - also known as keto - is a high-fat, very low carbohydrate diet. The aim is to get the body to ketosis, where the body starts burning fat instead of carbs for energy, according to the Mayo Clinic. There are different reasons people might want to achieve ketosis. For certain medical conditions, such as epilepsy, it might be necessary to see the benefits of the diet. There are many other eating plans for weight loss that are not as restrictive, are more sustainable, and have more research behind them. Brissette recommends the Mediterranean diet (which was named the best diet to try in 2019) as “one fantastic example of a way of eating that’s been tried and tested over many generations and has been consistently shown to promote longevity and reduce the risk of chronic disease.” The best part? It promotes a balanced plate of healthy, delicious foods-carbs included. If you decide to give keto a try, it’s important to include plenty of minimally processed whole foods, such as low-carb vegetables, plant-based fats such as avocado, olive oil, and nuts, and lean proteins such as fish and poultry. As with any major dietary change, it’s best to follow it under the care of a registered dietitian nutritionist or doctor. Like what you just read? You’ll love our magazine! Go here to subscribe. Don’t miss a thing by downloading Apple News here and following Prevention. Oh, and we’re on Instagram too. One concern voiced in some studies is loss of muscle tissue beyond what might be expected from any calorie-restricted weight loss diet, possibly because the body is attempting to break down protein to create glucose, but Volek says this isn't an issue when the ketogenic diet is followed correctly. Could the ketogenic diet's extreme restriction of carbohydrates contribute to micronutrient deficiencies and impact gut health? Ketogenic diets don't just eliminate sugar and refined carbohydrates; they also curtail pulses, whole grains, fruit, and starchy vegetables. All of these foods contribute vitamins, minerals, antioxidants, phytochemicals, and fiber-including prebiotic fiber that promotes a healthy gut microbiota. Numerous studies have demonstrated that the ketogenic diet alters the gut microbiota in ways that have benefit for reduction of epileptic seizures,15 but research is lacking on the impact in populations using the diet for weight loss or diabetes management. Somerville, Massachusetts-based Jessi Haggerty, RDN. She also points out that when people on a ketogenic diet are consuming large quantities of nonstarchy vegetables, the excessive amounts of insoluble fiber also can lead to nutrient malabsorption. In fact, a recent study published in the British Journal of Nutrition concluded that an increase in lycopene consumption is associated with a lower risk of developing cardiovascular disease. Unfamiliar with this fatty food? Ghee is a form of clarified butter that regularly makes an appearance in Indian food as well as on our list of fat-burning keto diet foods. In addition to its abundance of fat, ghee is also high in fat-soluble vitamins such as vitamin A, vitamin E, and vitamin D. You can, of course, buy ghee at the grocery store or you can make your own: The Easiest Way to Make Ghee at Home. These mini cabbages are a winter and fall favorite that you can enjoy all year-round on the ketogenic diet. Brussels sprouts are chock-full of nutrients including vitamin C, vitamin K, folate, and phosphorus, so don't be afraid to dig in. Asparagus is a low-carbohydrate vegetable that you should make an effort to incorporate into your diet, whether you are going keto or not. The stalky green is rich in glutathione, a compound with major cancer-fighting benefits. A study published in the journal Cancers found that glutathione participates in cell protection and regulation. Caffeine-fiends are in luck: coffee is allowed on the ketogenic diet. The bad news? Sugar and milk are both off-limits. If you can't stomach the idea of drinking your coffee black, you can make bulletproof coffee, which is made by adding butter and coconut oil or concentrated MCT oil to your morning brew. Just make sure you're choosing the right keto add-in, because some keto creamers are on our list of 7 Things You Should Never Add to Your Coffee. Where did this come from? Was this like the Atkins diet where there’s some dude who just said, “Here’s an idea”? Is there a Mr. Keto? There’s no one figurehead. And it is sort of a repackaging of the Atkins diet. It’s sort of like this streamlined Marie Kondo version of Atkins. Where he had this multi-phase plan and you eventually reincorporated carbs, with keto you just cut all that out and you stay that way and you live that way. I sometimes see promotions for this diet on social media. Is keto big on the ’Gram? Is it big with the influencers? Yeah, I think it’s this combination of things, so some communities that are quite influential in the diet and exercise space embraced it, like Cross Fitters. There are celebrities in Hollywood like Halle Berry, Kourtney Kardashian. Silicon Valley has glommed on to it, people like Tim Ferriss. Your body will constantly be searching for the nutrients it needs if you don’t give it enough protein and that’s why many women say they eat great all day, but after dinner they can’t stop snacking. If you want to lose body fat, use the fat macros that you’ve calculated from the keto calculator as your LIMIT not as a goal to reach. This is very important to understand. You want to use your own body fat stores for energy, therefore eating too much dietary fat will only help you use that fat for energy and not your own stored fat. If you have fat to lose, then eating say, 50- 60% dietary fat on a daily basis will allow your own body to use your own fat stores for energy as opposed to just burning the dietary fat you ingest. Here is a list of the best options for cooking and frying. You want oils that are low in PUFA (Poly Unsaturated Fatty Acids) and high in SFA (saturated fatty acids) because SFA are more stable and are less likely to get oxidized and cause inflammation. The ketogenic diet can be dizzyingly complicated. You want to load up on fats and protein, and keep your carb intake low-but all fats and proteins aren’t alike, and there are some veggies higher in carbohydrates than others. Oh, and fruit is pretty much banned. But don’t worry: We’ve put together the best and worst of each category so you can go keto with confidence. Saturated fats including coconut oil, ghee, grass-fed butter, duck fat, tallow, and lard-all essential for a healthy immune system, dense bones, and proper testosterone levels. Monounsaturated fats like olive, avocado, macadamia, and almond oils, which boost heart health and provide vitamin E-important for vision and a strong immune system. Polyunsaturated omega-3s such as wild-caught salmon, sardines, and sustainably harvested seafood-to prevent heart disease and stroke and reduce blood pressure. Medium-chain triglycerides, fatty acids that are easily absorbed and used for energy. Linked to weight loss, MCTs increase satiety and rev-up metabolism. Refined fats and oils like sunflower, canola, soybean, grapeseed, and corn oils, which have been processed at high temperatures, creating free radicals that can damage cells. Kizer. People are free to eat starchy vegetables and fruit, as well as foods rich in healthy fats like avocados. Is Paleo or Keto better long-term? WHAT DIFFERENTIATES a fad diet from a healthy one is whether you can maintain your health and keep the weight off in the long run. So where do Paleo and Keto stack up? The Paleo Diet: Because this diet doesn't require you to maintain ketosis, there's no need to weigh your food, as some do on the Keto Diet; nor do you have to closely monitor your carbohydrate intake. Plus, most people think of Paleo as a lifestyle rather than a diet, according to Kizer, so it's easier to stick to in the long run. The Keto Diet: Eating a banana or too many nuts could knock you out of ketosis, which makes tracking your food intake necessary to stay on track for your weight loss goals.|10. Sumithran P, Prendergast LA, Delbridge E, et al. Ketosis and appetite-mediating nutrients and hormones after weight loss. Eur J Clin Nutr. 11. Gibson AA, Seimon RV, Lee CM, et al. Do ketogenic diets really suppress appetite? A systematic review and meta-analysis. 12. Saslow LR, Daubenmier JJ, Moskowitz JT, et al. Twelve-month outcomes of a randomized trial of moderate-carbohydrate versus very low-carbohydrate diet in overweight adults with type 2 diabetes mellitus or prediabetes. 13. Kosinski C and Jornayvaz FR. Effects of ketogenic diets on cardiovascular risk factors: evidence from animal and human studies. 14. Volek JS, Sharman MJ, Forsythe CE. Modification of lipoproteins by very low-carbohydrate diets. 15. Olson CA, Vuong HE, Yano JM, Liang QY, Nusbaum DJ, Hsiao EY. The gut microbiota mediates the anti-seizure effects of the ketogenic diet. 16. Fuehrlein BS, Rutenberg MS, Silver JN et al. Differential metabolic effects of saturated versus polyunsaturated fats in ketogenic diets. J Clin Endocrinol Metab. 17. Ullah W, Hamid M, Mohammad Ammar Abdullah H, Ur Rashid M, Inayat F. Another "D" in MUDPILES? A review of diet-associated nondiabetic ketoacidosis. J Investig Med High Impact Case Rep. 18. Gardner CD, Trepanowski JF, Del Gobbo LC, et al. Effect of low-fat vs low-carbohydrate diet on 12-month weight loss in overweight adults and the association with genotype pattern or insulin secretion: The DIETFITS Randomized Clinical Trial. 19. Keto diet. U.S. News & World Report. This makes certain vegetables easier to digest than in their raw form. Cooking also gives you the chance to add fat and flavor. A little oil, plus some pink Himalayan salt and pepper, can radically transform a tasteless raw vegetable into something more crave-worthy. In the end, it’s smart to enjoy vegetables both ways. During the summer, you may want a nice cold salad with spinach, while in the winter sauteed spinach with garlic may sound better. Check out the Best Vegetables to Eat on a Keto Diet for more information when it comes to eating your veggies. Many new keto dieters are surprised to learn that fruits and fruit juices contain as many grams of carbs and sugar as some desserts. Bananas and apples, two of the most popular fruits in the United States, contain 24g and 20g of net carbs, respectively. That’s your entire carb count for the day in just one fruit! This version of the diet allows for the lowest amount of carbs (hence being the strictest). According to the Practical Neurology study, 90 percent of daily calories come from fat, 6 percent from protein, and just 4 percent from carbs. Risks to Note The most common side effects among children who followed the diet were constipation, weight loss, and growth problems or anorexia, found the Practical Neurology study. The growth problems among children may be the result of limited protein intake, Spritzler says. There’s also a risk for developing hypercalciuria (high calcium levels in urine), kidney stones, and low blood sugar. Even though the bulk of research has been on children, adults may experience the same issues - plus possibly high cholesterol, though levels should drop once you quit the diet and start eating normally again. Unsurprisingly, this strict version of keto also seems to be the toughest one to stick to: Research shows that the modified versions of the diet have lower drop-out rates.|Certain studies suggest that keto diets may “starve” cancer cells. A highly processed, pro-inflammatory, low-nutrient foods can feed cancer cells causing them to proliferate. What’s the connection between high-sugar consumption and cancer? The regular cells found in our bodies are able to use fat for energy, but it’s believed that cancer cells cannot metabolically shift to use fat rather than glucose. There are several medical studies - such as two conducted by the Department of Radiation Oncology at the Holden Comprehensive Cancer Center for the University of Iowa, and the National Institutes of Health’s National Institute of Neurological Disorders and Stroke, for example - that show the ketogenic diet is an effective treatment for cancer and other serious health problems. Therefore, a keto diet that eliminates excess refined sugar and other processed carbohydrates may be effective in reducing or fighting cancer. It’s not a coincidence that some of the best cancer-fighting foods are on the keto diet food list. Over the past century, ketogenic diets have also been used as natural remedies to treat and even help reverse neurological disorders and cognitive impairments, including epilepsy, Alzheimer’s symptoms, manic depression and anxiety. There’s also growing interest in whether high-fat diets could help with brain injuries or neurodegenerative diseases, Lowe said. For the everyday dieter, Lowe said, it’s important to consult a registered dietitian. “The main problem with it is that it’s not nutritionally adequate,” Lowe said. She often tells her patients to supplement it with fresh vegetables and fruit. Building on Cohen’s concern, Lowe said it’s also unclear how long term keto dieting could affect bone health. Then there’s the whole ketosis thing. “It is not dangerous. We just do not have an understanding as to what the long term impact of ketosis is on one’s long-term health,” Lowe said. Michael Goran, a Keck School of Medicine obesity researcher, said you can get the same results as the keto diet without being so extreme. He advises his patients to cut out added sugars - sodas, juices, processed foods - and simple carbohydrates that metabolize into sugar faster and lack fiber. With each new year, people often look into switching up their diet. And, with 2021 quickly approaching, chances are, you’ve heard someone in your run club or even a friend talk about the ketogenic diet. It’s been buzzed about for a while now thanks to claims that it’s an effective way to lose weight, but you may still be wondering, what is keto and does keto work? Whether runners should try it is still up for discussion, so we tapped top experts to help set the record straight. Unlike low-carb, high-fat diets, the ketogenic diet (or keto diet) sets very strict guidelines on how to break down your macronutrient (carbohydrate, protein, and fat) intake. Those following keto consume 80 percent of their calories from fat and almost zero from carbs-the fuel source your body and brain prefer to tap first as it’s the fastest and most easily accessible. Staples of the keto diet include fish, meat, eggs, dairy, oils, and green veggies.|The diet asks for cutting out major groups of foods, such as grains, legumes and dairy and sometimes cutting back on certain nutrient-rich vegetables. The idea is to get your body to switch from burning carbs to burning fat for fuel, in turn producing ketones, leading to ketosis. Instagram feed - plates heaped with steaks, bacon and avocado. Meal delivery companies are accommodating keto eaters, too, like they might for vegetarians or vegans, even offering strip tests to test your ketone levels. But USC experts say to exercise caution when trying out the trend. The ketogenic diet - also known as keto - is a high-fat, very low carbohydrate diet. The aim is to get the body to ketosis, where the body starts burning fat instead of carbs for energy, according to the Mayo Clinic. There are different reasons people might want to achieve ketosis. For certain medical conditions, such as epilepsy, it might be necessary to see the benefits of the diet. Tracking your macros and net carbs can be tricky, so I advise you download a keto app that includes a keto diet calculator. It will help keep you on track. A popular keto supplement are exogenous ketones (popularly called “keto diet pills”) that may help you achieve results earlier as well as remain in that state. Also, consider supplementing with the amino acid leucine, as it can be broken down directly into acetyl-CoA, making it one of the most important ketogenic amino acids in the body. While most other amino acids are converted into glucose, the acetyl-CoA formed from leucine can be used to make ketone bodies. It’s also present in keto friendly foods like eggs and cottage cheese. It’s important to also drink lots of water, the most important of all keto drinks. Getting enough water helps keep you from feeling fatigued, is important for digestion and aids in hunger suppression. When you start relying on it very heavily, you begin to accumulate acetyl-CoA. At some point, your body starts turning those into a different molecule called ketone bodies, which we colloquially call "ketones." This process of turning things like fatty acids into ketone bodies is called "ketogenesis," and interestingly only occurs in the liver. These ketone bodies then get packaged up by your liver and sent out into the bloodstream, where the rest of your body can use them for fuel. We can return from Biochemistry Town and return to the real world and explore a few things about the ketogenic diet. The first place to start is to go back in time a bit. The brain's metabolism is slightly different from the rest of the body in that it relies much more heavily on glucose metabolism than the rest of the body. While skeletal muscle depends quite heavily on fatty acid at rest, the brain depends quite heavily on glucose metabolism. There are three main reasons to stay away from the keto diet. If the keto diet may help you lose weight or improve certain health markers, why wouldn’t you do it? The answer is simple: It’s very restrictive, so it’s not ideal for long-term for weight loss. 1. It is not sustainable for most people. Asche agrees that the diet is sustainable for some people long-term, but unless you are content with never eating carbs again, it’s just not realistic. 2. It can hurt your relationship with food. The keto diet can also impact your enjoyment of food and how you experience food-centric events, like family dinners, brunch with friends, or happy hour with coworkers. Because keto requires strict adherence that doesn’t allow wiggle room for occasional splurges, it can get in the way of enjoying everyday life. This type of restriction might even make you a bit obsessive, “where you have to track every last gram, macro, never allowing yourself to ‘splurge’ on anything containing carbs or sugar in fear of knocking you out of ketosis,” Asche says. The keto diet is where you intentionally limit carbohydrates enough that your body has switched over to ketosis. This is also called ‘fat burning mode’. The fat that your body burns for energy can be either stored fat or fat that you get from food, but usually is a combination of both. What can you eat on keto? The most important part of keto is to keep your carbohydrates low. For most people, the upper limit of grams of carbohydrates that can be consumed is 30 g/day. A good rule for starting out is to try not to go over 20 g of net carbohydrates a day. Net carbohydrates: Fiber is considered a carbohydrate, but it isn’t digestible. So we can take total carbohydrate in a food and subtract out fiber, and we are left with net carbohydrates. Vegetables and nuts often are high in fiber, so they may look like they are high in carbohydrate, but nearly half of the carbohydrates are fiber, so they’re not digested by the body.|This can lead to a variety of chronic health conditions including heart disease, diabetes and high blood pressure. And since it nixes entire food groups - including heart-healthy whole grains and nutrient-rich fruits - followers usually come up short on critical nutrients. To add insult to injury, the diet’s high fat content and lack of fiber can lead to constipation (among other ailments). Q: Who is a candidate for the keto diet? A: As the research stands now, the keto diet is only appropriate for people with epilepsy. While researchers are hard at work investigating whether a ketogenic diet can help conditions ranging from cancer to arthritis, but epilepsy is the ONLY condition with substantial research backing up a ketogenic approach. Q: Who is NOT a candidate for the keto diet? A: Anyone with a chronic condition such as diabetes, high blood pressure or metabolic syndrome should avoid following a ketogenic diet. Plus, since the fat content hovers around 75 percent, it’s a red flag for people who have heart disease. Finally, the high protein, low-carbohydrate combination could overtax the kidney and liver, especially among people with kidney and liver disease. Bottom line: If you’re looking for a long-term weight loss plan, the ketogenic diet probably isn’t the answer. Instead, focus on eliminating simple carbohydrates, including cakes, cookies and sugar-sweetened beverages, while adding more nutrient-rich fruits, vegetables and whole grains to your plate. Still not seeing the pounds melt away? He or she can help you come up with a customized plan to help you achieve your weight-loss goals. When you start relying on it very heavily, you begin to accumulate acetyl-CoA. At some point, your body starts turning those into a different molecule called ketone bodies, which we colloquially call "ketones." This process of turning things like fatty acids into ketone bodies is called "ketogenesis," and interestingly only occurs in the liver. These ketone bodies then get packaged up by your liver and sent out into the bloodstream, where the rest of your body can use them for fuel. We can return from Biochemistry Town and return to the real world and explore a few things about the ketogenic diet. The first place to start is to go back in time a bit. The brain's metabolism is slightly different from the rest of the body in that it relies much more heavily on glucose metabolism than the rest of the body. While skeletal muscle depends quite heavily on fatty acid at rest, the brain depends quite heavily on glucose metabolism.
Diets have been at the center of animated debates for decades and many claims have been made in one direction or the other by supporters of opposite camps, often with limited evidence. At times emphasis has been put on a single new aspect that the previous diets had overlooked and the new one was to embrace in order to improve weight loss and well-being. Unfortunately, very few randomized clinical trials involving diets have addressed the combined question of weight loss and cardiovascular outcomes. The recently introduced ketogenic diet requires a rigorous limitation of carbohydrates while allowing a liberal ingestion of fats (including saturated fats) and has generated a flurry of interest with many taking the pro position and as many taking the cons position. The ketogenic diet causes a rapid and sensible weight loss along with favourable biomarker changes, such as a reduction in serum hemoglobin A1c in patients with diabetes mellitus type 2. However, it also causes a substantial rise in low density lipoprotein cholesterol levels and many physicians are therefore hesitant to endorse it. In view of the popular uptake of the keto diet even among subjects not in need of weight loss, there is some preoccupation with the potential long-term consequences of a wide embrace of this diet by large segments of the population. On the contrary, numerous lines of evidence show that plant-based diets are associated with reduction in oncological and cardiovascular diseases and a prolonged life span. The debate reproduced in this article took place during a continuous medical education program between two cardiologists with largely differing views on the matter of effectiveness, sustainability, and safety of the ketogenic diet compared to alternative options.|Though it sounds simple enough, the process involves many biological modifications and it may take a few weeks for these changes to occur. You’ll lose weight during this process - initially mostly water weight - as your body depletes its remaining carbohydrate stores (known as glycogen) and makes this adaptation. The main challenge keto dieters face is the extreme carb limit, which is capped at about 5 percent to 10 percent of your daily calorie intake, or around 20 grams of carbohydrates per day, depending on your individual calorie level. This amount of carbs is less than the amount in a large banana and given that even non-starchy foods, like nuts and broccoli, contain some carbohydrate, you’ll reach the cap easily. That means doughy foods, like pizza, pasta and bagels, as well as sweets, are strictly off limits. That’s why keto cycling is so appealing. Though it has no official definition and there’s no actual science to back up its effectiveness, many people take it to mean following the keto diet for five or six days and then following a higher carb menu for a day or two. Dinner could be a bunless Big Mac with a Diet Pepsi. Moderate keto: Eat high fat with approximately 100-150 grams of net carbs daily. People who experience problems with other forms of keto sometimes do better with this diet because restricting carbs can sometimes mess with hormonal function and energy levels. Don’t ditch the carbs all at once. Keto for beginners is all about a slow, but steady transition. Keep reading to learn if the keto lifestyle is right for you. To get the best idea of which style of keto works for you, try a different style of keto for at least a month. This will make it easy to set goals based on fat and carb intake instead of worrying about calories. Eat until you’re full, and listen to your body. Adding additional tactics, such as meal prep to help you stay on track, can also be helpful. Lack of nutrients such as B vitamins that are typically found in beans and grains can be of concern. Keep in mind those who follow a ketogenic diet are more likely to have other deficiencies because the variety of food they’re allowed to eat on this diet is so limited. When people on a ketogenic diet are consuming large quantities of non starchy vegetables, the excessive amounts of insoluble fiber also can lead to nutrient malabsorption. Although there are a few exceptions, non starchy vegetables aren’t rich sources of fermentable, prebiotic fiber. One of my favorite nutrients - fiber - is critical to serve as food for the gut bacteria and for the production of butyrate and other short-chain fatty acids, important for immune function, controlling inflammation, and overall gut health. The gut is essential to the brain and vice versa in terms of anxiety, depression, and pain management. The keto diet is missing a huge piece of this puzzle. Now onto fats, the ketogenic diet is seen as the “bacon and butter” diet, but it doesn’t have to be.|Eat foods that support your goals most of the time, allowing for some flexibility to enjoy life. If your diet is something you “cheat” on, it’s probably not a sustainable way of eating. Can you have fruit on keto? The problem with fruit is that it can be high in carbs, which makes it difficult to include on a typical keto diet. However, by choosing moderately sized servings of lower-carb fruits, it is possible to eat some fruit and stay in ketosis. See the best options here: Can I Eat Fruit On a Keto Diet? What is lazy keto? On a “strict keto” diet, you track protein, fat, and carb intake and aim to hit specific macros. In contrast, someone who says they’re doing “lazy keto” only tracks their carbohydrate intake to make sure it’s low enough to be ketogenic. Otherwise, they eat whatever they want. What is dirty keto? Dirty keto diets are very low-carb like any other keto diet, but otherwise, anything goes in terms of food quality. The primary fuel source for this system is creatine phosphate, which your body naturally produces, and which you can increase stores by taking creatine supplements. 20-50% of your body's resting metabolic needs. The glycolytic system uses glucose (a form of carbohydrate) to make ATP. The glucose used in glycolysis can have two fates. First, it can get turned into lactate and exported out of your muscle cells and into your blood. It can also continue into the oxidative system by turning into a molecule called acetyl-CoA and then going through the Kreb's Cycle. Lastly, we have the oxidative system. This system can utilize carbohydrates (as discussed above), fatty acids, or protein to produce energy. It does so by the body converting them into acetyl-CoA first. Your body makes energy in three ways. One way, the oxidative system, utilizes a molecule called acetyl-CoA to do a lot of the work. That is the "starter" to oxidative metabolism. When your body starts relying very heavily on oxidative metabolism, you start producing a lot of acetyl-CoA. The keto diet is being studied for mitigating symptoms for patients with progressive neurological disorders like Parkinson’s disease, but scientific research has not confirmed benefits for these populations. Because of the stringent food restrictions, many find the keto diet hard to stick to. “The ketogenic diet can be effective for weight loss when used in a short time period followed by the adoption of healthier eating habits,” says Cardiologist Kameswari Maganti, MD,Northwestern Medicine Bluhm Cardiovascular Institute. Ketosis is difficult to achieve because it’s like a light switch: either on or off. Individuals who consistently track food intake are more likely to remain in ketosis. But the only way to tell if your body is in ketosis is a blood test. “Because the keto diet is so restricted, you’re not receiving the nutrients - vitamins, minerals, fibers - that you get from fresh fruits, legumes, vegetables and whole grains,” says Dr. Ring. Due to these deficiencies, people also report feeling foggy and tired.
The keto diet has been shown to help with weight loss - specifically fat reduction - because it can suppress appetite and kick start fat-burning through ketosis. A 2004 study showed that obese patients who underwent ketosis lost 4.5 pounds after a year on the diet. Though this study notes that ketogenic diets proved difficult to follow long-term. A 2008 study found that those on a ketogenic diet who were given no other restrictions than to remain low-carb (i.e. no calorie restrictions) reportedly lost more weight and remained full for longer than those not on a ketogenic diet. A 2014 review found that the ketogenic diet helped reduce weight by controlling hunger levels and boosting fat-burn. A 2000 review of 11 studies showed that the keto diet was beneficial for children who had epilepsy in mitigating the frequency of their seizures. A 2013 review of 38 studies showed that a ketogenic diet was an effective treatment for epileptic patients with a nearly 58% success rate after three months on the diet. What is a Ketogenic Diet? A ketogenic diet is any diet that causes your body to enter a state of ketosis. Ketosis occurs when your body starts relying heavily on oxidative metabolism and produces acetyl-CoA. Eventually the body converts the acetyl-CoA into "ketones", which complete the "ketogenesis" process in the liver. A ketogenic diet taps into this process for weight loss. To wrap our minds a little further around this definition, let's reverse engineer the ketogenic diet by take a short trip into Biochemistry Town. Don’t worry, it isn’t a difficult journey, but it is an important one. Your body has three main ways of producing energy in the form of ATP. The details of these are not super important, just the high level few. The phosphagen system provides energy for a very short duration, very fast activity. 10 seconds of maximal effort work. After that, your phosphagen system is pretty toast until it recovers.|Is the keto diet for everyone? Not all patients are appropriate candidates for the keto diet, especially those with chronic conditions such as high blood pressure, diabetes, or other conditions that may be the result of a previous diet, Rahnama noted. She also pointed out that this diet can result in such a big change for many people’s metabolic and other bodily systems, that adhering to the diet may even change the effectiveness of a person’s medication. Patients need to be evaluated and monitored by a physician when they start a keto diet due to the level of dietary restriction. They may need to begin electrolyte supplementation or change any daily medication dosages they take. Talking to your doctor before you begin is a smart idea. Got the keto diet go-ahead? You’ll want to boost your water intake before you start. “Some patients may need to supplement with sodium, as long as they do not have blood pressure issues. Some may even need prescription potassium supplementation,” Rahnama said, adding that she begins all keto diet patients on a magnesium supplement, as it’s an electrolyte that can be taken with low risk of overdose. She also said keto dieters may have to up their carb intake if they have continued issues with hydration. “Keto is not a great long-term diet, as it is not a balanced diet,” Rahnama said. The keto diet can be used for short-term fat loss so long as the patient is medically supervised. But it’s not a permanent weight loss or maintenance solution, Rahnama said. The ketogenic diet is very low in carbohydrates and very high in fat, putting the body into ketosis-the burning of fat instead of glucose for fuel. In a clinical setting, ketogenic diets limit carbs to 20 to 50 g per day, mostly from non-starchy vegetables. Very low-carb ketogenic diets restrict carbs to 30 g per day. The science stuff: Protein is kept high enough to maintain lean body mass, but low enough to preserve ketosis. Basically you are pushing carbs low enough that your body has no choice but to burn fat for fuel. So a true ketogenic diet can have a ratio of 75% to 90% calories from fat, 10% from protein, and 5% from carbs. But don’t stop reading just yet. In real life, diets labeled as “ketogenic” vary widely. What most people are doing is a modified ketogenic diet or modified Atkins. It doesn’t mean it’s not effective, but it’s not the same thing. Your ketone production may not be the same depending on how you are following the diet. Most people aren’t really on a strict ketogenic diet, there are no real definitions or set levels outlined. Maybe someone is eating 10 g of carbs daily, maybe 25, 50, 80-it’s all very inconsistent. And most people, while they’re eating much fewer carbs and lots of fat, they’re also eating a lot of protein, which can be converted to glucose. That sort of defeats the purpose of the diet. Yes - ketogenic diets appear to have an advantage for weight loss, short term weight loss that is - there are very few long-term studies. Why is there at least short-term weight loss? There are several potential factors at play. Any diet that restricts entire food groups also restricts variety in your diet leads to reduced calorie intake. 1. Reduction in appetite is a frequently noted effect of the ketogenic diet. This could be because of the satisfying/fullness effect of fat. Or, something about the diet-possibly the ketones themselves-may increase levels of appetite control hormones. Also, it takes more energy for your body to convert fat to ketones for fuel rather than using readily available glucose from carbohydrates. But the carbohydrate restrictions mean that most people have trouble sticking to the diet long term and end up regaining any lost weight when they revert to a “normal” eating plan. Q: Does a ketogenic diet help you build muscle? A: No. In fact, a ketogenic diet actually causes your body to lose muscle mass. Research suggests that even if your diet is high in protein, or your protein intake is constant, a carb-restricted diet may promote muscle loss. When we eat carbohydrates with lean protein, our bodies produce insulin. This acts as a sort of key, unlocking our muscles to let the protein in so that it can build muscle tissue. Skipping carbohydrates depletes our energy stores and reduces muscle-building potential. Q: What are the drawbacks? A: In addition to being tough to follow, the ketogenic diet coaxes your body to release more of the stress hormone cortisol.
Some research suggests this may be a novel approach to reverse diabetes naturally. Related: What Is the Slow Carb Diet? What to Eat on Keto? To get you started, try some of these delicious, healthy and straightforward keto recipes, keto fat bombs and keto snacks. Eat lots of different vegetables, especially: leafy greens, mushrooms, tomatoes, carrots, broccoli, cabbage, Brussels sprouts, spinach, kale, sea veggies, peppers, etc. Some of these should keto fiber foods that help keep your net carbs low. Healthy food choices that are high in protein but low-carb or no-carb include: grass-fed meat, pasture-raised poultry, cage-free eggs, bone broth, wild-caught fish, organ meats and raw dairy products, such as raw goat cheese. If you’re vegan or vegetarian, never fear, as a vegetarian or vegan keto diet is very doable. Healthy fats, which are also low-carb or no-carb, include: olive oil, coconut oil, grass-fed butter, palm oil, nuts and seeds. Eat extra fat during the first week to accelerate keto-adaptation. Just be sure to dial fat intake back after the first week or two. Do lots of low level aerobic activity. Walk, hike, jog, cycle, row. Keep things in the aerobic HR zone (under 180 minus age in heart beats per minute), and you’ll increase your utilization of body fat, which will speed up ketone production and adaptation. Eat fiber. Many people on ketogenic diets tend to ignore fiber. That’s a mistake. Fiber doesn’t digest into glucose. It also supports your gut biome. Finally, it’s important to share that, as with any new dietary regimen, it’s important to consult your doctor-particularly if you have an existing health condition. I don’t recommend keto for women who are pregnant or nursing or for teens and young adults who are still growing, unless directed and supervised by a physician. For more on keto precautions, check out this page. The Charlie Foundation will provide you with the information and tools necessary to adopt the diet, and partnering with your doctor during this process will ensure the most therapeutic outcom. What are the benefits of Ketosis? Achieving a state of ketosis can have many benefits from treating chronic illnesses to optimizing performance. While the benefits are well documented, the underlying mechanism of action is not entirely known. The diet enhances the ability of mitochondria, the power plants of our cells, to deliver our bodies’ energy needs in a manner that reduces inflammation and oxidative stress. Through optimizing the way our body uses energy, we fortify our bodies’ ability to combat several diseases as well as take no the stressors of our modern way of living. How long should I be on the Ketogenic Diet? We at the Charlie Foundation believe that a 3-month commitment to the diet is a minimum commitment to allow your body to fully acclimate to the new fat based fuel source.|Lisa put it pretty simply: a ketogenic diet mimics starvation. In our normal state, human bodies are sugar-driven: we eat carbohydrates, carbs are broken down into glucose, and glucose usually becomes energy, or it's stored as glycogen in liver and muscle tissue. When you deprive your body of essential carbohydrate intake (Lisa noted that this is anything under 50 grams per day), then the liver goes into overdrive, because you don't have that carbohydrate-made glucose for energy. Who knew the brain was so hungry? Here's how it works: a very low-carb diet forces your body to use ketones instead of sugars for energy, which "is not advantageous, and can end up hurting you more than helping you," Lisa said. Because the brain cannot directly use fat for energy, it needs a backup source when the carbohydrates are gone. Ketones are produced by the liver using fatty acids from your food or body fat. Basically, your liver burns fat to make ketones. It’s been around for nearly a century, and has its roots in the medical world: In the 1920s, epilepsy researchers found that increased levels of ketones in their patients resulted in fewer seizures, and the diet is still a widely accepted treatment for epilepsy today. There’s also some evidence that a ketogenic diet has therapeutic potential for a wide array of symptoms and diseases, including cancer, polycystic ovary syndrome, neurological conditions, diabetes, and even acne. So how did it become a trendy weight-loss diet? Though keto has been gaining popularity recently thanks to celebrity endorsements and a wealth of diet-adherent Pinterest recipes, this is not the first time a form of it has gone mainstream. “We have been seeing different variations on the low-carb diet for decades,” says Abbey Sharp, a registered dietician and nutrition blogger. “The Atkins diet and the Dukan diet are two variations of a ketogenic diet.