ZMA is a potent combination of zinc, magnesium, and vitamin B6 that has been shown to increase muscle strength, size, and recovery when used in conjunction with intense weight training. Optimum Nutrition's ZMA may help you sleep better too, both thanks to its blend of active ingredients and because of the peace of mind you gain from knowing that Optimum Nutrition uses only SNAC System, Inc. ZMA, the zinc-magnesium formula supported by published research.
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.
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