Keto One Shot Pro :To learn more about how to visually estimate your body fat percentage, follow this link to our article on the topic. Keep in mind, however, that consuming too much protein at any given meal can decrease your levels of ketosis.In fact, after three days, the brain gets 30% of its energy from ketone bodies and after four days the energy increases to 70%, according to Stanford Medicine. This will determine the nutrient density of the ketogenic diet as well as how to follow it, as different foods will have different effects on insulin and blood sugar levels. A ketogenic diet is a very low-carb diet, considered to be when you eat a level of carbohydrate of around 30g of carbohydrates per day or below. Eggs are also an excellent source of healthy nutrition for a Keto dieter.