Extreme Supplements If Someone Wanted To Do Some Extreme Dieting What Supplements/vitamins Are Needed To Keep Metabolism Up?

If someone wanted to do some extreme dieting what supplements/vitamins are needed to keep metabolism up? - extreme supplements

If somone does not eat, but I wanted the metabolism, which, vitamins and proteins, such as the average human body needs to function properly and keep the types of beverages and energy drinks offer them?