NowFoods ZMA 180 caps zinc magnesium for better sleep ZMA is a synergistic combination of Zinc and Magnesium, enriched with Vitamin B6, designed for maximum absorption and bioavailability. These three components play a key role in many processes in the body. They are found in almost every cell. Unfortunately, USDA studies have shown that only 70% of Americans provide enough zinc in their diet and only 40% meet their magnesium needs. Stress, grueling exercise and a disordered lifestyle have also been shown to make it difficult to maintain concentrations of these components in the body. NowFoods ZMA 180 caps are: Testosterone booster, Better sleep, Faster recovery, Nervous system support How does ZMA work? Zinc is a trace element, plays a major role in the processes of regulating cell growth, tissue repair, and keeping organs in top condition. It keeps the immune system in good shape - enhances resistance to infection. Zinc has a stimulating effect on the production of male sex hormones. Its deficiency is often found in infertile men (it positively affects sperm production).