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Specialty Supplement Essential Minerals for Energy Metabolism & Recovery Support Zinc, Magnesium and Vitamin B-6 Met-Rx - You Can't Fake Strong ZMA is a unique mineral support formula containing highly bioavailable forms of magnesium and zinc, including zinc l-monomethionine (OptiZinc). Contains Vitamin B-6, which acts as a cofactor to an enzyme required for aspartate metabolism. Zinc ins involved with energy metabolism. Magnesium is an essential component of the muscle enzyme creatine kinase is a vital factor in energy production and muscle contractions.
