Reflex Nutrition's Zinc Matrix is a uniquely synergistic mineral formula when compared to other ZMA formulae. It is designed to support healthy anabolic-hormone production (without the use of pro-hormones) in conjunction with an effective exercise and nutrition program. This product is aimed at those people who are focused on aiding the recovery process from strenuous exercise programmes. What makes reflex Zinc Matrix different from the competition? - This special formula is different to other "ZMA" formulations. The Zinc Matrix formulation contains the addition of amino acid chelated Copper and Boron. Copper is included to help maintain an optimal zinc to copper ratio within the body. Boron is added for its role in healthy bone metabolism.