Description: Studies have shown that taking supplemental zinc and magnesium can elevate testosterone levels significantly. ZMA is a unique anabolic mineral support formula containing highly bioavailable forms of the two minerals; zinc monomethionine (L-OptiZinc��® - US Patents 4764633 and 5278329 pending) and covalently-bound zinc/magnesium aspartate. Fortified with absorption- and utilization-enhancing B vitamins this powerful, all-natural, nonsteroidal testosterone-booster also increases insulin-like growth factor (IGF-1) for proven muscle strength increase during workouts. The Inside Scoop: All-natural, nonsteroidal testosterone-booster Increases insulin-like growth factor (IGF-1) for proven muscle strength increase during workouts. Nutrition Facts: Serving Size (caps) 3 Servings Per 30 Zinc (mg) 30 Magnesum (mg) 450 Vitamin B6 (mg) 10.5 Ingredient Details: Gelatin, Magnesium stearate. Suggested Use: Women, take two, men, take three capsules daily, on an empty stomach, 30-60 minutes before bed time. For best results, avoid taking with dairy or other calcium-containing foods or supplements.