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Great North's ZMA formula is made up of Zinc Monomethionine Aspartate, Magnesium Aspartate, and Vitamin B6. Combining these three nutrients may increase anabolic hormone levels, muscle strength, support endurance, and improve sleep quality.

30 MG Zinc monomethionine, Zinc aspartate
450 MG Magnesium aspartate
10.5 MG Vitamin B6