Product Description ZMA is the original Zinc-Magnesium dietary supplement developed by SNAC System, Inc. and the only one validated by published research. Patented Zinc Monomethionine Aspartate with Magnesium, and B6 Combination. Optimum Nutrition's ZMA is produced and packaged in our own state-of-the-art, OTC approved manufacturing facility. Ingredients Gelatin, microcrystalline cellulose, magnesium stearate, magnesium oxide, zinc oxide.Vitamin B6 (as pyridoxine HCl)10.5 mg525% Magnesium (as aspartate)450 mg113% Zinc (as monomethionine and aspartate)30 mg200%
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