:-With a ketogenic diet, the adaption is significant as the body has to switch its fuel source from glucose to fat. When this happens, it is not uncommon to experience a collection of side effects called ‘keto-flu’. But even people who are not obese or have type 2 diabetes have adopted the ketogenic diet at some point, including celebrities like Halle Berry, Vaness Hudgens, and LeBron James. Many people who start the keto diet will lose weight in the first month. Theketo, or ketogenic, diet, cuts carbohydrates in your diet and promotes fat and protein.