Maca Root

Maca Root and Testosterone: What the Science Says

Maca (Lepidium meyenii), a root native to the high Andes of Peru, has been traditionally used to enhance fertility and sexual function. Its reputation as a natural aphrodisiac has sparked interest in its potential effects on testosterone levels. However, scientific studies present a nuanced picture of maca's impact on testosterone.(PubMed, PubMed)

🔬 Clinical Studies on Maca and Testosterone

A 12-week double-blind, placebo-controlled trial involving healthy men aged 21–56 years examined the effects of maca supplementation on serum reproductive hormones, including testosterone. Participants received either 1,500 mg or 3,000 mg of maca daily. The study found no significant changes in serum testosterone levels compared to the placebo group, suggesting that maca does not directly influence testosterone concentrations in healthy men .(PubMed, PubMed)

Conversely, a randomized, double-blind, placebo-controlled clinical trial assessed the efficacy and safety of gelatinized maca in patients with symptoms of late-onset hypogonadism. Participants received 1,000 mg of maca three times daily for 12 weeks. The results indicated significant improvements in symptoms related to sexual function and quality of life, but no significant changes in serum testosterone levels were observed .(PubMed)

🧪 Animal Studies: Insights into Mechanisms

Research in male rats has provided more insight into maca's effects on testosterone. A study found that feeding hydroalcoholic extract of maca to 8-week-old rats for six weeks resulted in increased serum testosterone concentrations and enhanced testosterone production by Leydig cells in vitro. However, this effect was transient and did not persist beyond six weeks .(PubMed, PubMed)

Another study observed that long-term feeding of maca extract to aging male rats enhanced the steroidogenic ability of Leydig cells, potentially alleviating the decline in testosterone production associated with aging .(PubMed)

🧠 Maca and Sexual Function

While maca may not significantly alter serum testosterone levels, it has been reported to improve sexual desire and function. A study involving healthy men found that maca supplementation led to improved sexual desire without affecting serum testosterone or estradiol levels. This suggests that maca's benefits on sexual function may be independent of its effects on hormone levels .(PubMed)

⚠️ Considerations and Safety

Maca is generally considered safe for short-term use. However, individuals with hormone-sensitive conditions should exercise caution, as maca's effects on hormone levels can vary. It's advisable to consult with a healthcare provider before starting maca supplementation, especially for those with underlying health conditions or those taking other medications.(PubMed, PubMed)

✅ Conclusion

Maca root does not appear to significantly alter serum testosterone levels in healthy individuals. Its benefits on sexual function and desire may be independent of its effects on hormone levels. While animal studies suggest potential mechanisms through enhanced steroidogenesis, further research is needed to fully understand maca's impact on testosterone and overall health.(PubMed)