Allmax Essentials ZMX2 - Zinc Magnesium Aspartate, is a popular supplement among athletes, bodybuilders, and fitness enthusiasts. Both zinc and magnesium have been shown to reduce muscle fatigue and either raise testosterone levels or prevent a fall in testosterone due to exercise. Studies have suggested that Zinc Magnesium Aspartate supplements may not only assist in building muscle, they may also have a positive effect on your immune system, endurance and muscle recovery. Another benefit is it improves sleep quality.