1. What is a keto diet? The keto diet is a very low-carb and higher-fat diet. It’s similar in many ways to other low-carb diets . While you eat far fewer carbohydrates on a keto diet, you maintain moderate levels of protein intake and may increase your intake of fat. The reduction in carb intake puts your body in a metabolic state called ketosis , where fat, from your diet and from your body, is burned for energy. You can quickly learn more about the basic ideas behind the keto diet in this video course: Watch the entire 8-part video course What “keto” means The “keto” in a ketogenic diet comes from the fact that it allows the body to produce small fuel molecules called “ketones.” 5 This is an alternative fuel source for the body, used when blood sugar (glucose) is in short supply. When you eat very few carbs or very few calories, the liver produces ketones from fat. These ketones then serve as a fuel source throughout the body, especial...