Scientific References

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1. Chang, Y. S., Kwon, O. J., & Lee, J. Y. (2019). The efficacy of L-arginine supplementation on male sexual function: A systematic review and meta-analysis. International Journal of Impotence Research, 31(1), 1–7. https://doi.org/10.1038/s41443-018-0062-5
2. Ismail, S. B., Wan Mohammad, W. M. Z., George, A., Nik Hussain, N. H., & Musthapa Kamal, Z. M. (2012). Randomized clinical trial on the use of PHYSTA freeze-dried water extract of Eurycoma longifolia for the improvement of quality of life and sexual well-being in men. Evidence-Based Complementary and Alternative Medicine, 2012, 429268. https://doi.org/10.1155/2012/429268
3. Gonzales, G. F., Cordova, A., Vega, K., Chung, A., Villena, A., Góñez, C., & Castillo, S. (2001). Effect of Lepidium meyenii (Maca) on sexual desire and its absent relationship with serum testosterone levels in adult healthy men. Andrologia, 34(6), 367-372. https://doi.org/10.1046/j.1439-0272.2002.00519.x
4. Ambiye, V. R., Langade, D., Dongre, S., Aptikar, P., Kulkarni, M., & Dongre, A. (2013). Clinical evaluation of the spermatogenic activity of the root extract of Ashwagandha (Withania somnifera) in oligospermic males: A pilot study. Evidence-Based Complementary and Alternative Medicine, 2013, 571420. https://doi.org/10.1155/2013/571420
5. Dell'Agli, M., Galli, G. V., Dal Cero, E., Belluti, F., Matera, R., Zironi, E., Pagliuca, G., & Bosisio, E. (2008). Potent inhibition of human phosphodiesterase-5 by icariin derivatives. Journal of Natural Products, 71(9), 1513-1517. https://doi.org/10.1021/np800049y
6. Chen, J., Wollman, Y., Chernichovsky, T., Iaina, A., Sofer, M., & Matzkin, H. (1999). Effect of oral administration of high-dose nitric oxide donor L-arginine in men with organic erectile dysfunction: Results of a double-blind, randomized, placebo-controlled study. BJU International, 83(3), 269-273. https://doi.org/10.1046/j.1464-410x.1999.00947.x