While ZMA supplements are known to enhance muscle strength and physical performance, there is limited research to support the claim that it boosts testosterone levels in healthy men. However ...

Some of the highest-rated magnesium supplements on Amazon for testosterone support include Optimum Nutrition ZMA, NOW Sports ZMA, and Life Extension Magnesium Caps. These supplements contain high ...

In a different study, researchers wanted to test manufacturer claims that ZMA supplementation would increase testosterone levels. The small study included just 14 young, athletically trained men ...