In the study, the researchers fed mice a ketogenic diet for several days and expected to find a favorable outcome — perhaps weight loss or another indication of improved health. Instead, they found that the liver began resisting insulin almost immediately and the mice were unable to regulate their blood sugar levels after only three days on the diet. (Insulin resistance, meaning that cells in the body don't respond to insulin, is a key characteristic of type 2 diabetes.)
Rich in low-starch vegetables, fruit, healthy fats (mostly from olives and olive oil), nuts, seeds, whole grains, legumes, and fish, the Mediterranean diet eschews simple sugars and refined starches and is low in red meat. Interested in embarking on the diet for yourself? Read through to see a Mediterranean diet shopping list, what it's like to be on the diet, and why it's so easy to follow.
That makes a lot of sense. Keeping up insulin pathways when you aren’t eating carbs would be like keeping the lights on when it’s daytime outside — it’s a waste of energy. You aren’t using insulin on keto, so your body probably downregulates your insulin pathways. As a refresher, insulin is a hormone produced by your pancreas that tells your cells to absorb glucose to use as fuel. When you eat carbs, insulin production begins. In the absence of carbs, there’s less need for insulin.
Hi, I’m still a bit skeptical, I have seen some of my friends do the keto diet, and have had good results. Though I am still not sure about the idea of the fats being eaten. They say they eat meat with the fat and must do so, is this correct? Also isn’t this not good for the body especially for the kidneys? Second, can a diabetic do this diet? There are many questions running through my head.
What the expert says: ‘There have been a number of cases where GPs have said, “You’ve got IBS, go on the low-FODMAP diet”,’ says Dr Megan Rossi (@theguthealthdoctor). ‘The only support they give you is a printout with a limited explanation of the diet from the internet. I’ve had clients come into my practice who’ve been given a list of 10 “friendly” foods to survive on, which is nutritionally dangerous.’
Lots of apps and websites offer keto diet challenges—basically, a blueprint for the keto diet with a fixed starting and ending point (they typically last for a week to a month, though some may be longer). Speaking of apps, plenty of keto-centric ones are right at your fingertips (a.k.a., your smartphone), like the KetoDiet app, which can help you calculate your macros and track your keto diet effectively.
It’s the same with a keto way of eating: there is a ton of research and studies out there, and we KNOW that it works. Sure, more studies will come, and the new information will help us refine it, and we will learn how it specifically affects certain individuals in different ways…but the truth about the basics of it are all there, in the open, for all to see.
Spinach is a great source of iron, which is a key component in red blood cells that fuel our muscles with oxygen for energy. But researchers in Sweden identified another way in which these greens might keep you charged: Compounds found in spinach actually increase the efficiency of our mitochondria, the energy-producing factories inside our cells. That means eating a cup of cooked spinach a day may give you more lasting power on the elliptical machine (or in your daily sprint to catch the bus).
What about fruits and vegetables? All fruits are rich in carbs, but you can have certain fruits (usually berries) in small portions. Vegetables (also rich in carbs) are restricted to leafy greens (such as kale, Swiss chard, spinach), cauliflower, broccoli, Brussels sprouts, asparagus, bell peppers, onions, garlic, mushrooms, cucumber, celery, and summer squashes. A cup of chopped broccoli has about six carbs.
The ketogenic diet reduces seizure frequency by more than 50% in half of the patients who try it and by more than 90% in a third of patients. Three-quarters of children who respond do so within two weeks, though experts recommend a trial of at least three months before assuming it has been ineffective. Children with refractory epilepsy are more likely to benefit from the ketogenic diet than from trying another anticonvulsant drug. There is some evidence that adolescents and adults may also benefit from the diet.
Weight Watchers – the diet your nan used to follow – is no more. In 2018, the company had a re-brand, with the new WW branding signalling a move away from diet culture and into the wellness-sphere – hint: WW now stands for ‘Wellness that Works’. ‘We are not classed as a diet,’ a member of the press office team tells WH. ‘It is a lifestyle change – a healthy living programme that encompasses food, activity and mindset.’
There are theoretically no restrictions on where the ketogenic diet might be used, and it can cost less than modern anticonvulsants. However, fasting and dietary changes are affected by religious and cultural issues. A culture where food is often prepared by grandparents or hired help means more people must be educated about the diet. When families dine together, sharing the same meal, it can be difficult to separate the child's meal. In many countries, food labelling is not mandatory so calculating the proportions of fat, protein and carbohydrate is difficult. In some countries, it may be hard to find sugar-free forms of medicines and supplements, to purchase an accurate electronic scale, or to afford MCT oils.
You even have root vegetable and a picture of a carrot. Carrots are not part of a keto diet and as far as I have seen never were. They have 2 much sugar content and are discouraged except in very small amounts. Are you sure you tried it? Sorry. Great article in many ways but outdated in others. I don’t think people go into thinking they will “do it forever” How long can I last? I think that is missing the point entirely. So many people are getting their triglycerides down, losing weight reducing stroke possibilities lengthening their very lives. It is just not fair to not at least point out a few of these things as much as the risks you made sure to point out. albeit they are very important. How about the risks of not doing something? How about the list of people that found this and turned their lives around. Also, I know several people who have been doing keto for years.
Yes, they're technically a fruit, but we think olives deserve a shout-out all of their own, since they're also a great source of healthy fats and are one of a few keto-approved packaged foods. Plus, they're a great source of antioxidants, will satisfy your craving for something salty, and are blissfully low-carb. “About a palm's worth only has 3 grams of net carbs,” Sarah Jadin, RD, told Health in a previous interview.
The keto diet changes the way your body converts food into energy. Eating a lot of fat and very few carbs puts you in ketosis, a metabolic state where your body burns fat instead of carbs for fuel. When your body is unable to get glucose from carbs, your liver converts fatty acids from your diet into ketones, an alternative source of energy. Burning ketones in place of glucose reduces inflammation and spurs weight loss.
Early studies reported high success rates: in one study in 1925, 60% of patients became seizure-free, and another 35% of patients had a 50% reduction in seizure frequency. These studies generally examined a cohort of patients recently treated by the physician (what is known as a retrospective study) and selected patients who had successfully maintained the dietary restrictions. However, these studies are difficult to compare to modern trials. One reason is that these older trials suffered from selection bias, as they excluded patients who were unable to start or maintain the diet and thereby selected from patients who would generate better results. In an attempt to control for this bias, modern study design prefers a prospective cohort (the patients in the study are chosen before therapy begins) in which the results are presented for all patients regardless of whether they started or completed the treatment (known as intent-to-treat analysis).
DASH stands for "dietary approach to stop hypertension" and was created by the National Institutes of Health (NIH) as a way to help reverse national trends of obesity and heart disease. Scientists combed through decades of research to come up with an expert-backed list of diet tips, along with a prescription for exercise. And it worked: The DASH diet has topped nearly every diet list for nearly a decade. Doctors particularly recommend it for people looking to lower high blood pressure, reverse diabetes, and lower their risk of heart disease. (Here's the basic list of DASH diet-approved foods.)
There is research that supports the ketogenic diet for diabetes management, while other research seems to recommend opposing dietary treatments like a plant-based diet. Research from 2017 confirms that people with diabetes who followed a plant-based diet experienced significant improvements in blood sugars and A1c, cardiovascular disease risk factors, gut bacteria that is responsible for insulin sensitivity, and inflammatory markers like c-reactive protein.
Here’s what we do know: The keto diet may be useful in treating symptoms of epilepsy, a seizure disorder. “The use of keto in treating epilepsy has the most evidence,” Angelone says. One study conducted by Johns Hopkins Medicine, for example, followed epileptic patients on the keto diet and found that 36 percent of them had a 50 percent reduction in seizures after three months on the diet, and 16 percent were seizure-free. However, experts aren't entirely sure why the keto diet has this affect, she adds.
Carbohydrate Restriction. To help people with diabetes manage their blood sugar levels, doctors will typically prescribe a diet that mostly consists of low glycemic index foods.  However, according to the research, restricting overall carb intake to the point of following a keto diet may be the best way to improve the many biomarkers relevant to diabetes.  In fact, this dietary strategy has been proven to be helpful for the management of type 2 diabetes and type 1 diabetes.
Stock up: Jet.com's new City Grocery service (available in select markets) makes it easy to ensure you always have keto-friendly veggies in the fridge. We love their delivery scheduling tool; simply fill your cart, then decide which day and timeframe you'd like your groceries delivered. One of our faves: Urban Roots Green Squash Veggie Noodles are great for whipping up low-carb "pasta" dishes.
In Asia, the normal diet includes rice and noodles as the main energy source, making their elimination difficult. Therefore, the MCT-oil form of the diet, which allows more carbohydrate, has proved useful. In India, religious beliefs commonly affect the diet: some patients are vegetarians, will not eat root vegetables or avoid beef. The Indian ketogenic diet is started without a fast due to cultural opposition towards fasting in children. The low-fat, high-carbohydrate nature of the normal Indian and Asian diet means that their ketogenic diets typically have a lower ketogenic ratio (1:1) than in America and Europe. However, they appear to be just as effective.
If you ate a hearty breakfast, you won’t be hungry until lunch. It’s best to brown-bag it because you can control the ingredients and portions, but if you eat out, look for grilled fish and salad as a menu option. Don’t eat at your desk while writing a report, but go to the park with a friend or join your co-workers in the lunch room. Bringing leftovers is also a good lunch option.
A: The most common ways to track your carbs is through MyFitnessPal and their mobile app. You cannot track net carbs on the app, although you can track your total carb intake and your total fiber intake. To get your net carbs, just subtract your total fiber intake from your total carb intake. I have written an article on How to Track Carbs on MyFitnessPal.
I’ve been asked many times to provide an authentic Mediterranean Diet meal plan, and when we say authentic, we mean it! The reason for this is that most “Mediterranean Diet” meal plans I see online are anything but. Sorry, but edamame beans, minuscule amounts of olive oil, canola oil, meat with every meal etc. are not part of a Mediterranean Diet.
Twenty-one of the 28 participants who were enrolled completed the study. Twenty participants were men; 13 were White, 8 were African-American. The mean [± SD] age was 56.0 ± 7.9 years and BMI was 42.2 ± 5.8 kg/m2. Hemoglobin A1c decreased by 16% from 7.5 ± 1.4% to 6.3 ± 1.0% (p < 0.001) from baseline to week 16. Diabetes medications were discontinued in 7 participants, reduced in 10 participants, and unchanged in 4 participants. The mean body weight decreased by 6.6% from 131.4 ± 18.3 kg to 122.7 ± 18.9 kg (p < 0.001). In linear regression analyses, weight change at 16 weeks did not predict change in hemoglobin A1c. Fasting serum triglyceride decreased 42% from 2.69 ± 2.87 mmol/L to 1.57 ± 1.38 mmol/L (p = 0.001) while other serum lipid measurements did not change significantly.
HCG, or Human Chorionic Gonadotropin, is a hormone produced during pregnancy by the placenta after implantation, and doctors sometimes prescribe it for fertility issues. But this hormone has also gained popularity as a weight-loss supplement — and using it as such can be dangerous. In fact, the U.S. Food and Drug Administration (FDA) warns against purchasing over-the-counter hCG, as these supplement products are illegal. (34)
Although the research has yet to discover all of the mechanisms behind why the keto diet is so helpful for diabetics, these four factors do seem to play a significant role in reducing the severity of type 2 diabetes while also helping with the management of type 1 diabetes. If you’d like to learn more about this topic, consider checking out our article on the keto diet and insulin resistance.
Unlike other weight-loss plans, the DASH Diet Weight-Loss Solution plan does not involve counting calories. Even better? Thanks to the book The Dash Diet Weight Loss Solution: 2 Weeks to Drop Pounds, Boost Metabolism, and Get Healthy ($14.24, Amazon), all the hard work has basically been done for you. The plan comes with 28 days of meal plans and more than 45 recipes you can make. Accompanying this plan is the cookbook The Everyday DASH Diet Cookbook: Over 150 Fresh and Delicious Recipes to Speed Weight Loss, Lower Blood Pressure, and Prevent Diabetes ($13.77, Amazon), which is there to give you a helping hand along the way if you're stumped on recipes.
There are numerous benefits that come with being on keto: from weight loss and increased energy levels to therapeutic medical applications. Most anyone can safely benefit from eating a low-carb, high-fat diet. Below, you’ll find a short list of the benefits you can receive from a ketogenic diet. For a more comprehensive list, you can also read our in-depth article here >
I’ve been following a ketogenic based “Way of Eating” or almost a year now, and I’ve never felt better. Fats are the main source of calories with it—NOT protein. Fats and proteins ARE essential for the body. Carbohydrates are not. The 20g of carbs are for net carbs, NOT total carbs. This means you can have a great deal of fiber from very nutrient filled veggies that don’t spike your blood sugar.
The Mediterranean diet isn’t a regimented plan, like South Beach, the Blood Type Diet or any others; it’s more a way of eating. After World War II, researchers began studying the eating patterns of 13,000 middle-aged men in the US, Japan, Italy, Greece (including Crete), the Netherlands, Finland and Yugoslavia. They noticed that those in countries whose diets had been restricted by the deprivations of the war had lower rates of heart disease compared to American men. Moreover, residents of Crete enjoyed the best cardiovascular health, leading scientists to conclude that their diet — fruits, vegetables, grains, legumes and fish — played a major role.
Bueno NB, de Melo ISV, de Oliveira SL, da Rocha Ataide T; “Very-low-carbohydrate ketogenic diet v. low-fat diet for long-term weight loss: a meta-analysis of randomized controlled trials” (2013) British Journal of Nutrition 110(7): 1178-1187. Accessed 4/23/2018 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/6FD9F975BAFF1D46F84C8BA9CE860783/S0007114513000548a.pdf/verylowcarbohydrate_ketogenic_diet_v_lowfat_diet_for_longterm_weight_loss_a_metaanalysis_of_randomised_controlled_trials.pdf
Kefir is a yogurt-like substance, but it actually contains less sugar and more protein than conventional yogurt while remaining packed with gut-friendly probiotics that can help you lose weight by aiding digestion. In one study, kefir displayed weight loss properties similar to those of milk and other dairy-rich products. Other probiotic-rich foods include kombucha, bone broth, and fermented items such as sauerkraut and kimchi.
It appears that a ketogenic diet is generally safe when implemented correctly. One must be careful to obtain all the necessary nutrients by eating a variety of foods, such as non-starchy vegetables, seeds, and nuts, and also consume adequate protein and essential fatty acids. Provided that the need for vitamins, minerals, amino acids and fatty acids is met, there is no reason to suspect that the ketogenic diet is unsafe.
You’re a diabetic counselor and are talking about being worried about not being able to eat birthday cake? Hell I’ve been on keto since July 2016 and haven’t felt any urge to go back, simply because I feel so much better. Also the diet is really not all that restrictive, you can make desserts using stevia/erythritrol, coconut/almond flour, etc. I had ketogenic pizza the other night and it turned out great. Lots of great resources out there for food options. I’m not diabetic myself, but I used to be prone to hypoglycemia and keto has eliminated the issue since I’m not dependent on glucose. There are a lot of wrong ways to do keto though, and doing the diet correctly has a moderate learning curve.
At your favorite Greek restaurant, order lamb souvlaki. Have a bar-of-soap-size amount of lamb (or chicken if you prefer) and a baseball-size amount of couscous or rice. Go ahead and eat all of the vegetables that come with your order, and if there is a salad, top it with 1 tablespoon of dressing. Package up the remaining lamb and rice or couscous for Sunday's lunch. Serve with 1/2 glass (2 ounces) of wine.
Around this time, Bernarr Macfadden, an American exponent of physical culture, popularised the use of fasting to restore health. His disciple, the osteopathic physician Dr. Hugh William Conklin of Battle Creek, Michigan, began to treat his epilepsy patients by recommending fasting. Conklin conjectured that epileptic seizures were caused when a toxin, secreted from the Peyer's patches in the intestines, was discharged into the bloodstream. He recommended a fast lasting 18 to 25 days to allow this toxin to dissipate. Conklin probably treated hundreds of epilepsy patients with his "water diet" and boasted of a 90% cure rate in children, falling to 50% in adults. Later analysis of Conklin's case records showed 20% of his patients achieved freedom from seizures and 50% had some improvement.
The Mediterranean diet pyramid looks different from other food pyramids. Social eating and physical activity sit at the base, supplying the foundational piece of the regimen. Research has shown that, traditionally, people in Mediterranean countries spend more time preparing, eating and savoring their food, and took their meals in the company of others. Contrast this with the American habit of eating fast food alone or on the run, in a car or at a desk. The traditional Mediterranean style of living was also much less sedentary than that of other cultures, including the United States, involving significant physical labor and activity.
The final possible culprit behind stubborn weight issues may be the stress hormone, cortisol. Too much cortisol will increase hunger levels, bringing along subsequent weight gain. The most common cause of elevated cortisol is chronic stress and lack of sleep (see tip #10), or cortisone medication (tip #9). It’s a good idea to try your best to do something about this.
Of the 1,580 survey participants, more than half reported staying on a low-carb diet for at least one year, and 34% reported more than two years. Further, those on the diet for two years or more said that they had largely maintained their weight loss. This is a self-selected sample, with an obvious bias for people who are experiencing success (dieters are less inclined to report on their failures). However, this data does show that long-term adherence is possible.
The only books based on the most recent updated Mediterranean and DASH research, include the brand new, high flavor and high impact The DASH Diet Mediterranean Solution and the previous best seller The DASH Diet Weight Loss Solution, both of which can help you harness the health benefits of the DASH diet for weight loss. The DASH Diet Younger You, is pumped up on plants to help you become and look younger from the inside out. It fully supports both vegetarians and meat eaters (as does the Med-DASH book), with meal plans and recipes, and are based on real, unprocessed, and additive-free foods. The essential companion, The Everyday DASH Diet Cookbook will make a great addition to your kitchen collection. These books stand alongside the top DASH diet resource, The DASH Diet Action Plan, to give you a fresh start to healthy eating.
My pick for the healthiest meal plan for diabetes? My favorite is the Mediterranean Diet. It’s high in fiber, low in saturated fats and includes no processed foods which is the challenge for all of us at this point in history. If we could all eat like they do in Italy and Greece! Think of Sicily and the coasts of Greece where their diet consists of fresh fish, fresh fruits and vegetables, nuts, beans, seeds, olives and olive oil, lean meats such as chicken and pork, some eggs and little red meat. The American Heart Association recommends it as well as the American Diabetes Association as being one healthy diet choice for people with diabetes.
Unlike the keto diet, the Atkins diet doesn’t necessarily advocate increased fat consumption. Still, you might increase your fat intake by limiting carbohydrates and eating more animal protein. The potential drawbacks are similar. Aside from a high saturated fat intake, there is the possibility of low blood sugar, or hypoglycemia, from restricting carbs too much. This is especially true if you take medications that increase insulin levels in the body and don’t change your dosage. Cutting carbs on the Atkins diet can potentially aid weight loss and help you control diabetes symptoms, but there aren’t enough studies to suggest that Atkins and diabetes control go hand-in-hand.
Think of each almond as a natural weight-loss pill. A study of overweight and obese adults found that, combined with a calorie-restricted diet, consuming a little more than a quarter cup of the nuts can decrease weight more effectively than a snack comprised of complex carbohydrates and safflower oil—after just two weeks! (And after 24 weeks, those who ate the nuts experienced a 62% greater reduction in weight and BMI!) For optimal results, eat your daily serving before you hit the gym. A study printed in The Journal of the International Society of Sports Nutrition found that almonds, rich in the amino acid L-arginine, can actually help you burn more fat and carbs during workouts. Fill up, but don’t fill out: Use these Eat This, Not That!-recommended 10 Daily Habits That Blast Belly Fat.
Recently, I had the chance to speak with the author of “The Mediterranean Diet Plan,” Susan Zogheib, a registered dietician about her diet plan. Susan will be joining me for an upcoming episode of HeartTalk presented by Capital Cardiology Associates this month (Sunday, June 24th). I wanted to share the highlights of conversation before YOU grocery shop this week so that you can discover the join of healthy eating this summer.
It's generally accepted that the folks in countries bordering the Mediterranean Sea live longer and suffer less than most Americans from cancer and cardiovascular ailments. The not-so-surprising secret is an active lifestyle, weight control, and a diet low in red meat, sugar and saturated fat and high in produce, nuts and other healthful foods. The Mediterranean Diet may offer a host of health benefits, including weight loss, heart and brain health, cancer prevention, and diabetes prevention and control. By following the Mediterranean Diet, you could also keep that weight off while avoiding chronic disease.
But the best part about the Mediterranean diet isn't that it's a concrete plan or dedicated to helping you drop pounds; rather, it's a way of eating that incorporates healthy fats, lots of fresh produce, and whole grains. Translation: You can do it for your entire life and never feel like you're actually dieting. (In fact, studies show you can lose weight on the Mediterranean diet without cutting any calories.)
Tammy, just because someone follows a keto diet doesn’t mean they can’t have their sweet treats. There are dozens of websites with hundreds of keto sweet treats and “fat bombs” made with stevia or other natural non-caloric sweeteners which will not raise blood sugars. One of my favorites is Keto Mocha Mousse https://www.ruled.me/keto-mocha-mousse/ which has 5 g net carbs per servings. We don’t have to be deprived on keto.
Ketogenic diet (“keto” diet for short) is a catch-all term for any diet that pushes your body into the natural metabolic state of ketosis, which means burning fat for fuel instead of carbohydrates. Though there’s no set formula for keto, generally, the diet works by cutting back on carbohydrates, to about 20 g of net carbs to start, and replacing those with mostly fat and a moderate amount of protein, according to the popular website Keto Connect. Net carbs are the total number of carbs minus the fiber and sugar alcohols, according to the Atkins website. (More on this diet later.)
Being in optimal ketosis for a prolonged period of time (say, a month) will ensure that you experience the maximal hormonal effect from eating a low-carb diet. If this doesn’t result in noticeable weight loss, you can be certain that too many carbs are NOT part of your weight issue and not the obstacle to your weight loss. There are, in fact, other causes of obesity and being overweight. The next three tips in this series might help you.
DASH was first introduced at a meeting of the American Heart Association in 1996 and later published in the New England Journal of Medicine in 1997.  The DASH trial randomly assigned 456 people to different diets to test the effects of dietary patterns on lowering blood pressure. The authors surmised that eating a diet with many different foods with blood pressure-lowering nutrients would show a greater effect on blood pressure than eating single nutrients, such as found in supplements or in a limited diet. Three diets were tested: 1) a control diet, or a standard American diet, 2) a fruits and vegetables diet, similar to the control diet but providing more fruits and vegetables and less snacks and sweets, and 3) a combination diet rich in fruits, vegetables, nuts, and low-fat dairy foods with reduced amounts of saturated fat, total fat, and cholesterol. The last two diets were richer in nutrients associated with lower blood pressure, such as potassium, magnesium, calcium, fiber, and protein. All three diets provided about 3000 mg sodium, which is more than the recommended amount from the Dietary Guidelines for Americans but less than the average sodium intake for Americans. 
I can tell how passionate you are about this subject. As you can see on one of my reply’s above, CDE’s do not recommend the same number of carbs for every person we see; we use an individualized approach. It varies depending on the person’s height, bone structure/muscle mass, amount of weight they may need to lose (or gain) and the amount of exercise they may or may not do per day/week.
The cost of the Mediterranean diet, like most aspects of the diet, depends on how you shape it. While some ingredients (olive oil, nuts, fish and fresh produce in particular) can be expensive, you can find ways to keep the tab reasonable – especially if you're replacing red meats and meals with plant-based home cooking, some research suggests. Your shopping choices matter, too. Can't spring for the $50 bottle of wine? Grab one for $15 instead. And snag whatever veggies are on sale that day, rather than the $3-a-piece artichokes.
As it turns out, almonds aren’t the only superstar nuts around. Studies have shown pistachios aren’t bad to snack on either. UCLA Center for Human Nutrition researchers divided study participants into two groups, each of which were fed a nearly identical low-cal diet for three months. One group was given 220-calories of pretzels as an afternoon snack, while the other sect munched on 240-calories worth of pistachios. About a month into the study, the pistachio group had reduced their BMI by a point and improved their cholesterol and triglyceride levels, while the pretzel-eaters stayed the same.
Meal planning also causes you to look at your calendar and consider everyones schedule. Grocery shopping can again become part of the family routine with everyone contributing to the meal. You’ll also notice a change in your weekly food budget. Susan pointed out that she had, “Given a presentation on the cost of buying food and cooking meals at home saved $1,200 a year versus eating out. Eating out on average costs people about $2,000 a year. Yes, there are some up front costs when buying the spices or equipment you may need but the second time you go to use them, you are saving instead of spending.”
First, a little background: Eric Westman, MD, director of the Duke Lifestyle Medical Clinic, explained to Health in a previous interview that in order to successfully follow the keto diet, you need to eat moderate amounts of protein, reduce your carb intake, and increase fats. When you reduce your carb consumption, your body turns to stored fat as its new fuel source—a process called ketosis. To stay in ketosis, followers of the keto diet must limit their carbs to 50 grams a day, Dr. Westman says.