The Bigger Picture of ZMA: ZMA is a potent combination of Zinc, Magnesium, and Vitamin B6 show to increase muscle strength, size, and recovery when used in conjunction with intense weight training. Our ZMA may also help you sleep better too, both thanks to its blend of active ingredients and because of the peace of mind you gain from knowing that we only use SNAC System, Inc. ZMA-the only zinc-magnesium formula support by published research.