Scientific References

Based on Research From:

Our formula is backed by peer-reviewed research

National Library of Medicine
Harvard University
University
Journal of Urology
  1. Toprak O, et al. The impact of hypomagnesemia on erectile dysfunction in elderly patients with chronic kidney disease. Andrologia. 2017.
  2. Ahn ST, et al. The efficacy of Vitamin D/Zinc supplementation on erectile function in elderly men with Vitamin D deficiency. World Journal of Men's Health. 2019.
  3. Kamenov Z, et al. Evaluation of the efficacy and safety of Tribulus terrestris in men with mild to moderate erectile dysfunction. Maturitas. 2017.
  4. Santos Jr CA, et al. Tribulus terrestris versus placebo in the treatment of erectile dysfunction. Acta Urologica Española. 2014.
  5. Shindel AW, et al. Erectogenic and neurotrophic effects of icariin, a purified extract of horny goat weed (Epimedium spp.) in vitro and in vivo. Journal of Sexual Medicine. 2010.
  6. Leitão AE, et al. A 6-month, double-blind, placebo-controlled randomized trial to evaluate the effects of Eurycoma longifolia supplementation on erectile function and testosterone levels. Andrology. 2021.
  7. Ismail SB, et al. Randomized clinical trial on the use of PHYSTA freeze-dried water extract of Eurycoma longifolia for improving sexual performance and well-being in men. Evidence-Based Complementary and Alternative Medicine. 2012.
  8. Yang S, et al. Saw palmetto extract enhances erectile responses by inhibition of phosphodiesterase-5 activity and increase in iNOS mRNA expression in rat corpus cavernosum. Urology. 2013.
  9. Asher GN, et al. Effect of hawthorn standardized extract on flow-mediated dilation in patients with cardiovascular risk factors. Phytomedicine. 2012.
  10. Chen ZY, et al. Endothelium-dependent relaxation induced by hawthorn (Crataegus fruit) extracts in isolated rat aorta. Life Sciences. 1998.
  11. Dhawan K, et al. Beneficial effects of chrysin and benzoflavone on virility in male rats. Journal of Ethnopharmacology. 2002.
  12. Farkhondeh T, et al. The cardiovascular protective effects of chrysin: A comprehensive review. Phytotherapy Research. 2019.
  13. Travison TG, et al. Erectile dysfunction and cardiovascular risk factors in men: Results from the Massachusetts Male Aging Study. Harvard Medical School / New England Journal of Medicine–affiliated research. Journal of Urology. 2007.
  14. Burnett AL, et al. Nitric oxide–dependent penile erection and its relevance to erectile dysfunction therapy. Johns Hopkins University School of Medicine. Journal of Urology. 2002.