Creatine occurs naturally in the body, but in very low doses. Supplementing creatine has been Alpha XTRM proven to help add muscle mass quickly, but that is not all. Creatine supplements also have been shown to help increase strength, energy, and recovery time from workouts. After protein, creatine is the best nutritional supplement to add to your regimen. http://www.healthcaresups.com/alpha-xtrm/