Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Boron is a trace mineral that has garnered scientific interest for its potential role in supporting the male reproductive system, particularly by influencing hormone levels. Several human and animal studies suggest that boron supplementation can impact testosterone metabolism. For example, a small human study (Naghii et al., 2011) demonstrated that daily boron supplementation (10 mg/day for 7 days) resulted in a significant increase in free testosterone levels and a decrease in estradiol in healthy male volunteers. Other research has indicated boron may influence the activity of enzymes involved in steroid hormone metabolism, potentially supporting overall androgen status.

Additionally, boron has been noted to affect inflammatory markers and vitamin D metabolism, both of which can indirectly support reproductive health. However, the number of studies is limited, and most involve small sample sizes or short intervention periods. There is also insufficient evidence to confirm direct effects on fertility parameters such as sperm count or motility in humans.

In summary, while there is moderate scientific evidence suggesting boron may help regulate testosterone and thus support aspects of male reproductive health, the evidence is not robust or comprehensive. Larger, long-term studies are needed to confirm these effects and clarify mechanisms.

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