... Formula and MW:C33H40O15;676.65 Common names: Horny goat weed, barrenwort, yin yang huo Botanical names: Epimedium brevicornum Maxim.; ... Epimedium segittatum (Sitb.et Zucc.) Maxim extracts;Horny Goat Weed,Lusty goat herb,etc. Plant Part Used: Branches and Leaves ... sex-enhancer in China.Many cultures report that horny goat weed supports libido, erectile function, and helps to relieve menopausal ...