1.) Effect of Lepidium meyenii (MACA) on sexual desire and its absent relationship with serum testosterone levels in adult healthy men
2.) A Double-Blind Placebo-Controlled Trial of Maca Root as Treatment for Antidepressant-Induced Sexual Dysfunction in Women
3.) Lepidium meyenii (Maca) improved semen parameters in adult men
4.) A pilot investigation into the effect of maca supplementation on physical activity and sexual desire in sportsmen
5.) Subjective effects of Lepidium meyenii (Maca) extract on well-being and sexual performances in patients with mild erectile dysfunction: a randomised, double-blind clinical trial
6.) Supplementation of standardized lipid-soluble extract from maca (Lepidium meyenii) increases swimming endurance capacity in rats
7.) Antioxidant activity of the cruciferous vegetable Maca (Lepidium meyenii)