Creatine is a body own, very important source of energy in the muscle cell. The body forms creatine out of amino acids, arginine, glycine and methionine. The providing of energy and the load duration are influenced by creatine. If the creatine storage are filled in the muscles, ATP (adenosine triphosphate can be formed faster, which is the actual source of energy for each muscle contraction.
Beside creatine preparations Reviwell also offers additional products, such as power cell, weight gainer or soy protein to improve performance or to build muscles.