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 ...

ZMA supplements should be stored in a cool ... did not significantly increase testosterone levels in healthy young men. More research is needed to determine if ZMA plays any role in testosterone ...

ZMA is one such abbreviation. Although it sounds like a mixed martial arts spin-off, it’s actually a nutritional supplement that combines zinc, magnesium apsartate and vitamin B6 in one capsule.