The ketogenic diet is high fat, low carb, and adequate protein diet. Many individuals have experienced success on keto in regards to weight and fat loss, as well as improvements in memory, focus, and symptoms for a wide variety of ailments and diseases. *
Why might a state of ketosis actually be what we were in most of the time? With little grain, no sugar, small amounts of fruit, and intermediate fasting, our bodies quickly go into a state of nutritional ketosis. This is likely what our genetic relatives experienced much of the time.
Macronutrients are so important on a ketogenic diet because you want to get your body used to metabolize fat as an energy source, instead of carbohydrates. To do this effectively, you must also restrict carbohydrates at the same time. *