When you’re eating the foods that get you there (more on that in a minute), your body can enter a state of ketosis in one to three days, she adds. During the diet, the majority of calories you consume come from fat, with a little protein and very little carbohydrates. Ketosis also happens if you eat a very low-calorie diet — think doctor-supervised, only when medically recommended diets of 600 to 800 total calories.
As discussed in the first article of this series, ketosis is a metabolic state in which the brain switches to using ketone bodies – derived from the breakdown of fat – as its primary energy source, instead of glucose. This way body protein, which would otherwise be broken down and converted into glucose through the process of gluconeogenesis, are spared.
While many health care providers aren’t comfortable recommending the keto diet for people with diabetes, there’s a substantial body of research indicating that it can help with weight loss, reduce the need for medication, and even lower A1C into the non-diabetes range. It’s so effective that when researchers assigned 349 volunteers with type 2 diabetes to follow either a keto diet or a traditional diabetes eating plan (the makeup of that plan wasn’t defined in the study) for one year, they observed some powerful results. While the people on the “diabetes diet” didn’t experience any positive movement in their A1C, body weight, or medication requirements, those on the keto plan reduced their A1C from 7.6 to 6.3 percent, shed 12 percent of their body weight, eliminated their need for sulfonylurea medication, and lowered or reduced their need for insulin by 94 percent. The results were published in 2018 in the journal Diabetes Therapy.

Ketosis and the subsequent metabolic state associated with it has been shown to have positive effects on chronic conditions, from PCOS to type 2 diabetes. Just a few weeks of eating keto recipes and keeping your blood sugar stable results in improved energy, elevated mood, and possibly best of all, quick weight loss. It’s not uncommon for people to drop 10 pounds or more in the first couple of weeks while sticking with a keto diet!
Metagenics offers a wide range of educational opportunities including webinars, group meetings, and seminars as part of our commitment to continuing functional medicine education. Our goal is to give our practitioners further insight to help address their patients’ unique health needs for a higher level of personalized, lifetime wellness care. We have been sharing this ever-growing body of nutritional and lifestyle research for over 25 years. 

But even if you’re not trying to lose weight, the keto meal plans might appeal to you. By limiting sugars and processed grains, you lower your risk of type 2 diabetes. Eating an array of heart-healthy fats, like nuts, olive oil and fish, can decrease your risk of heart disease. And while some people stick to a super strict keto diet, with 75 percent of their diet coming from fat, 20 percent from protein and just five from carbs, even a less intense, modified version can help you reap the keto diet’s benefits.


Because it lacks carbohydrates, a ketogenic diet is rich in proteins and fats. It typically includes plenty of meats, eggs, processed meats, sausages, cheeses, fish, nuts, butter, oils, seeds, and fibrous vegetables. Because it is so restrictive, it is really hard to follow over the long run. Carbohydrates normally account for at least 50% of the typical American diet. One of the main criticisms of this diet is that many people tend to eat too much protein and poor-quality fats from processed foods, with very few fruits and vegetables. Patients with kidney disease need to be cautious because this diet could worsen their condition. Additionally, some patients may feel a little tired in the beginning, while some may have bad breath, nausea, vomiting, constipation, and sleep problems.
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This is one area where full keto and Bulletproof differ. Except for coconut, all nuts and legumes are suspect on the Bulletproof Diet and should be limited. All expose you to high amounts of omega-6s, inflammatory oxidized fats, mold toxins, and phytates (plant anti-nutrients). Peanuts are one of the main sources of mold toxins in our diets, and often trigger allergic responses with inflammatory polyunsaturated fats, lectins and histamines. The Bulletproof Diet also excludes all soy products due to their phytoestrogen content, which messes with your hormones and may promote cancer.


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