ketogenic diet has gone mainstream, and it’s safe to say it’s here to stay! With more studies being released frequently showing that following a keto diet could help with chronic illnesses, weight loss, and even athletic performance ? not to mention the potential benefits of this mode of eating ? there is greater interest in what exactly ketosis is. In its most basic form, ketosis is a state when your body has broken down fat in order to produce an alternative fuel source. This fuel source helps your brain run smoothly and efficiently without needing carbs or sugar.