The ErecPower formula is informed by the following peer-reviewed research:
Bailey SJ, et al. (2010). Acute L-Citrulline supplementation improves oxygen uptake kinetics and high-intensity exercise performance in humans. Journal of Applied Physiology.
Cormio L, et al. (2011). Oral L-Citrulline supplementation improves erection hardness in men with mild erectile dysfunction. Urology.
Talbott SM, et al. (2013). Effect of Tongkat Ali on stress hormones and psychological mood state in moderately stressed subjects. Journal of the International Society of Sports Nutrition.
Gonzales GF, et al. (2002). Effect of Lepidium meyenii (Maca) on sexual desire and its absent relationship with serum testosterone levels in adult healthy men. Andrologia.
Shukla KK, et al. (2009). Mucuna pruriens improves male fertility by its action on the hypothalamus-pituitary-gonadal axis. Fertility and Sterility.
Prasad AS, et al. (1996). Zinc status and serum testosterone levels of healthy adults. Nutrition.
Rohdewald P. (2002). A review of the French maritime pine bark extract (Pycnogenol), a herbal medication with a diverse clinical pharmacology. International Journal of Clinical Pharmacology and Therapeutics.