You've probably heard the phrase a lot but have no idea what it means. Your friends are all talking about it. Chances are, someone on your Facebook feed has posted a picture of some dramatic weight loss, giving credit to something called a 'keto diet.' But what is it? The Ketogenic diet is a low carb, moderate protein diet designed to create a state of ketosis within the body as a means of losing weight. This probably didn't clarify things very much so let's go through this a little slower.