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ZMA is designed to significantly enhance strength, endurance, and muscle healing, recovery, and growth. The formulation was developed by SNAC Systems after extensive research on human subjects. The synergistic benefits of zinc and magnesium are: increased muscle strength and endurance; decreased muscle cramps and pulls; faster healing and recovery from injuries; improved concentration and alertness; decreased water retention; and deeper relaxation during sleep. SNAC Systems' patented ZMA formula requires 30 mg. of zinc combined with 450 mg. of magnesium aspartate.

Zinc increases muscle strength and endurance. It is considered to be an anabolic element and promotes healing, tissue repair, and muscle growth. Zinc also increases the effects of IGF-1 (insulin-like growth factor-1), growth hormone, and testosterone. In addtion, zinc is required by many of the enzymes that prevent the buildup of lactic acid (the "fatigue acids").

Magnesium increases oxygen delivery to muscle tissue. It promotes muscle strength, endurance, relaxation and has a role in muscle contraction. Magnesium also activates enzymes necessary for the metabolism of carbohydrates and amino acids - leading to protein synthesis.

Vitamin B6 is added to increase the absorption and utilization of the zinc and magnesium.

Recommended use: Many people ordinarily take zinc with food. However, the body's maximum daily release of growth hormone occurs about 90 minutes after going to sleep. And, since both zinc and magnesium increase the effect of growth hormone, in addition to zinc providing the maximum muscle repair and growth benefits during sleep, SNAC recommends taking ZMA before bedtime on an empty stomach..

Each serving using the original ZMA formula contains 30 mg. of zinc, 450 mg. of magnesium, and 10mg. of vitamin B-6. If the serving size is 3 capsules (usually presented that way), males should take 3, females can take 2.