Epimedium grandiflorum
Epimedium grandiflorum, aka Horny goat weed or Yin Yang Huo, is a perennial herb native of Korea, Japan, and China.
It's been used for centuries in China and Japan as tonic, aphrodisiac,and to enhance sexual performance. Horny goat weed is believed to increase testesterone production and sexual energy, besides to imporves impotence, spermatorrhea, and premature ejaculation.
Contraindications: Do not use during pregnancy or nursing. Individuals with known hypersensitivity reactions to Epimedium should not use this herb
References
Horny Goat Weed. Review of Natural Products. factsandcomparisons4.0 [online]. 2004. Available from Wolters Kluwer Health, Inc. Accessed April 17, 2007.
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