PRECISION - Mega-Z - 120 Capsule(s) - NPN: 80014485 -- Precision's Mega-Z has been formulated to help support recovery following an intense workout. As a source of zinc, magnesium, and vitamin B6, Mega-Z helps to increase key anabolic hormones, promotes restful sleep, and muscle recovery. With no banned substances Mega-Z supplies a safe hormonal balancing effect to ensure you are getting what you need to perform your best.