✅ Yes, the content that zinc supplementation can boost testosterone levels is supported by multiple sources, especially in cases of zinc deficiency.

These include:

1. https://www.rupahealth.com/post/zinc-testosterone - (Trust Score 7/10)

This article explains zinc’s biological role in testosterone production, including stimulating testosterone synthesis and maintaining prostate health. It also points out that supplementation may raise testosterone in those with low zinc, with studies supporting benefits in athletes and older men with zinc depletion.

2. https://www.healthline.com/health/testosterone-and-zinc - (Trust Score 9/10)

Healthline reports that zinc deficiency can contribute to hypogonadism (low testosterone), and that appropriate zinc supplementation may help increase testosterone levels, particularly when deficiency is a factor.

3. https://pubmed.ncbi.nlm.nih.gov/36577241/ - (Trust Score 9/10)

A 2023 scientific study concluding that zinc deficiency reduces testosterone levels and supplementation improves them, providing recent research evidence from a reputable source.

4. https://pubmed.ncbi.nlm.nih.gov/8875519/ - (Trust Score 9/10)

A 1996 clinical research study on elderly men showed six months of zinc supplementation significantly increased serum testosterone levels in marginally zinc-deficient subjects.

5. https://brieflands.com/articles/ijem-147892 - (Trust Score 6/10)

This study also evaluates zinc’s impact on testosterone metabolism alongside vitamin E, supporting zinc’s positive hormonal effect, though in a more specific clinical context.

Overall, consistent evidence suggests zinc supplementation can boost testosterone levels primarily in individuals with zinc deficiency or marginal zinc status, especially in certain populations like older men or athletes. However, in those without zinc deficiency, the effect might be limited or negligible.