Creatine occurs naturally in the body it is present in every human cell and functions as an energy store depending on body weight and muscle mass the body stores between 100 and 150gms of creatine of which about 2 to 4gms are used every day for normal activity half of the required creatine is produced by the body itself the rest must be obtained daily from food creapure is the only creatine monohydrate in the world to be consistently tested free from impurities and by products creapure