The keto diet is well known for being a low carbohydrate diet, but the science of it goes much deeper. Simplified, the goal is to reach ketosis, a natural body process that helps us in survival situations when food intake is low.
During ketosis the body produces ketones from the breakdown of fats in the liver. The body will use ketones as an energy source, once it is no longer supplied with an adequate amount of carbohydrates. The first thing is to get a general grasp on what the keto diet is about. Grasping the general principles is fairly easy, as is learning what to avoid, as I will show in the next section.