Skip to main content
SupplementScience

Benefits of Tribulus Terrestris

This content is for informational purposes only and does not constitute medical advice. Consult your healthcare provider before starting any supplement. Full disclaimer

Evidence-Based Benefits

  • Libido enhancement — Kamenov et al. (2017) conducted a 12-week RCT in 180 men and women and found that 750mg tribulus extract daily significantly improved sexual desire and satisfaction scores, with effects more pronounced in men, independent of testosterone changes
  • Sexual function — a 2016 systematic review by Qureshi et al. analyzing 7 RCTs found that tribulus consistently improved self-reported sexual function and desire, though the mechanism appears to be non-hormonal (possibly involving nitric oxide or dopaminergic pathways)
  • Urinary tract support — traditional Ayurvedic use as Gokshura for kidney stones and urinary symptoms has some preliminary support from in vitro and animal studies showing diuretic and litholytic properties
  • Erectile function — Santos et al. (2014) found 800mg tribulus daily for 30 days improved IIEF (International Index of Erectile Function) scores in men with mild-to-moderate erectile dysfunction

What the Research Says

The research on tribulus terrestris reveals a clear disconnect between marketing claims and clinical evidence regarding testosterone. Qureshi et al. (2014) published a systematic review in the Journal of Dietary Supplements analyzing available RCTs and concluded that tribulus terrestris does not meaningfully increase testosterone levels in healthy males, despite significant improvements in sexual function parameters. Rogerson et al. (2007) conducted a 5-week RCT in elite rugby players and found no effect on testosterone, DHT, or androgen ratios. In contrast, Kamenov et al. (2017) published a well-designed 12-week RCT in Maturitas showing significant improvements in sexual desire and satisfaction in both men and women at 750mg daily, independent of hormonal changes. This suggests the sexual health benefits operate through non-androgenic pathways, possibly involving nitric oxide, dopamine, or other neurotransmitter systems. Tribulus is safe and may genuinely help with libido, but it should not be purchased as a "testosterone booster."

References

  1. (). Evaluation of the efficacy and safety of Tribulus terrestris in male sexual dysfunction — a prospective, randomized, double-blind, placebo-controlled clinical trial. Maturitas. DOI
  2. (). A systematic review on the herbal extract Tribulus terrestris and the roots of its putative aphrodisiac and performance enhancing effect. Journal of Dietary Supplements. DOI
  3. (). The effect of five weeks of Tribulus terrestris supplementation on muscle strength and body composition during preseason training in elite rugby league players. Journal of Strength and Conditioning Research. DOI