Evidence supporting the use of: Boron
For the health condition: Testosterone (low)

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Synopsis

Source of validity: Scientific
Rating (out of 5): 2

Boron is a trace mineral that has been investigated for its potential role in supporting healthy testosterone levels in men, particularly those experiencing low testosterone. The scientific evidence, while limited, does suggest some biological plausibility for boron's involvement in endocrine regulation. Several small-scale human studies have found that boron supplementation (typically 6-10 mg per day) can increase free testosterone levels and decrease sex hormone-binding globulin (SHBG), which binds testosterone and makes it unavailable for biological action. For example, a 2011 study published in the journal Biological Trace Element Research showed that healthy men taking 10 mg boron daily for seven days experienced a significant increase in free testosterone and a decrease in estradiol and SHBG. Animal studies have also indicated that boron influences steroid hormone metabolism and may have a role in testicular steroidogenesis. However, the overall body of evidence is still modest, with studies being small, short-term, and sometimes not placebo-controlled. There are no large-scale clinical trials definitively establishing boron's efficacy or safety for long-term testosterone support in men with low testosterone. Thus, while the use of boron for this purpose is justified by some preliminary scientific evidence, it is not yet strongly validated, and more research is needed. Currently, boron is not recognized as a standard treatment for low testosterone by major medical guidelines.

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