Nutrabio ZMA in 180 vegetable capsule size is certified Kosher, vegetarian, hypoallergenic, non GMO, gluten and filler free. Scientific research has found that rigorous exercise and stress result in significant loss of zinc and magnesium. These mineral deficiencies are common in the general population and even more prevalent in athletes. The original patented ZMA is a scientifically designed and laboratory tested anabolic mineral formula comprised of Zinc, Magnesium, and Vitamin B6. ZMA is Designed to Promote Restful Sleep and Recovery ZMA was the first product developed specifically to enhance recovery by improving sleep efficiency. Exercise tolerance is decreased by sleep deprivation. ZMA increases muscle strength and promotes a deep and restful sleep which helps maximize healing, recovery, regeneration and growth. ZMA for Accelerated Muscle Recovery ZMA is an advanced formulation designed to significantly improve muscle strength and endurance as well as accelerate healing and tissue repair when used in conjunction with intense weight training. A university research study also found ZMA to significantly increase free testosterone levels and total testosterone levels in trained athletes. ZMA is Unique ZMA is a uniquely synergistic formula designed to be used in conjunction with an effective exercise program. As more fitness enthusiasts begin to truly understand how to maximize recovery and muscle growth, they'll join those already spreading the ZMA gospel: You Grow As You Sleep! ZMA is 100% Pure ZMA is a registered trademark of SNAC System, Inc., San Carlos, CA 94070. NutraBio uses only authentic ZMA under license from SNAC Systems. Please be advised that imitation Zinc Magnesium Aspartate products have flooded the market and are not the same as ZMA and may not produce the same results that were obtained in original ZMA studies.