Dietary Supplement. 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.

ZMA is the original Zinc-Magnesium supplement developed by SNAC System, Inc. and the only one validated by published research.

Normal price: $24.99