A great many hard-training athletes and bodybuilders are actually deficient in the essential mineral Zinc Aspartate . De plus, Zinc deficiency is prevalent throughout the entire world , including the United States of America . Both severe and moderate zinc deficiencies are positively correlated with lower testosterone levels in men . And while Zinc deficiency has been shown to lower your testosterone levels , Zinc supplementation has been correlated with an increase in testosterone levels . en fait, hypogonadism ( decreased natural testosterone production ) can actually result from not having enough Zinc in the diet . Dietary Zinc levels also positively correlate with levels of testosterone in the body , which essentially means , the more Zinc in your body , the higher your levels of testosterone typically will be .