*Clinically proven combination of Magnesium, Zinc & Vitamin B6
*Building blocks to increase testosterone levels
*Enhances growth hormone production
*Improves sleep and recovery
Precision ZMA is a high performance supplement featuring a synergistic combination of zinc, magnesium and B6. This blend has been clinically proven to enhance anabolic hormone levels for improved muscle and strength gains. It can be taken on a continuous basis without cycling.