Simply Nutra ZMA is a scientifically designed, laboratory-tested anabolic mineral support formula. ZMA increases anabolic hormone production in trained athletes. It is an advanced formulation designed to significantly improve muscle strength and endurance as well as accelerate healing and tissue repair. Scientific research has demonstrated that rigorous exercise and stress result in significant body losses of zinc and magnesium. These mineral deficiencies are common in the general population and even more prevalent in athletes. As more fitness enthusiasts begin to truly understand how to maximize recovery and muscle growth, they'll join those already spreading the ZMA gospel "You Grow As You Sleep!"