Selected published research on the ingredient categories used in Stallion Power. These citations describe general research on these ingredients, not clinical studies of the Stallion Power product itself.
L-Arginine & Nitric Oxide
Bode-Böger SM, Muke J, Surdacki A, et al. "L-arginine-induced vasodilation in healthy humans: pharmacokinetic-pharmacodynamic relationship." Br J Clin Pharmacol. 1998.
McRae MP. "Therapeutic benefits of L-arginine: an umbrella review of meta-analyses." J Chiropr Med. 2016;15(3):184-189.
Maca Extract
Gonzales GF, Cordova A, Vega K, et al. "Effect of Lepidium meyenii (Maca) on sexual desire and its absence of association with serum testosterone levels in adult healthy men." Andrologia. 2002;34(6):367-372.
Shin BC, Lee MS, Yang EJ, et al. "Maca (L. meyenii) for improving sexual function: a systematic review." BMC Complement Altern Med. 2010;10:44.
Tribulus Terrestris, Muira Puama & Catuaba
Neychev V, Mitev V. "Pro-sexual and androgen enhancing effects of Tribulus terrestris L.: fact or fiction." J Ethnopharmacol. 2016;179:345-355.
Waynberg J, Brewer S. "Effects of Herbal vX on libido and sexual activity in premenopausal and postmenopausal women." Adv Ther. 2000;17(5):255-262 (Muira Puama/Ginkgo combination study, cited for traditional-use context).
Horny Goat Weed (Icariin)
Shindel AW, Xin ZC, Lin G, et al. "Erectogenic and neurotrophic effects of icariin, a purified extract of horny goat weed (Epimedium spp.) in vitro and in vivo." J Sex Med. 2010;7(4 Pt 1):1518-1528.
Ashwagandha
Chandrasekhar K, Kapoor J, Anishetty S. "A prospective, randomized double-blind, placebo-controlled study of safety and efficacy of a high-concentration full-spectrum extract of ashwagandha root in reducing stress and anxiety in adults." Indian J Psychol Med. 2012;34(3):255-262.
Green Tea Extract & Caffeine
Hodgson AB, Randell RK, Jeukendrup AE. "The metabolic and performance effects of caffeine compared to coffee during endurance exercise." PLoS One. 2013;8(4):e59561.