iso mass is great, it is designed for you to gain serious muscle mass without the added fat deposits. ISO-MASS is formulated with a precise blend of time release proteins, complex carbohydrates, 7 types of creatine for muscle growth, 4 types of glutamine for muscle recovery, a complete vitamin premix for added mind/body functions, a healthy blend of 6 essential fatty acids to improve mind and body, a blend of 4 nitric oxide precursors to enhance vasodilation, a creatine precursor complex to increase the body's natural production of creatine, and an enzyme complex to increase absorption.