Ultimate Nutrition ISO MASS XTREME GAINER 4.5kg - Ultimate Nutrition Iso Mass Xtreme Gainer is the future of weight gainers. With a scientifically-formulated carbohydrate to protein ratio of 16:13 ISO MASS 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. All this can be found in an old fashioned milk shake taste in any of our gourmet flavors.