Horny goat weed contains chemicals that might help increase blood flow and improve sexual function. It also contains phytoestrogens, chemicals that act somewhat like the female hormone estrogen. This might reduce bone loss in postmenopausal women.
Horny goat weed is an herb. The leaves are used to make medicine. As many as 15 horny goat weed species are known as “yin yang huo” in Chinese medicine.
People use horny goat weed for sexual performance problems, such as erectile dysfunction (ED) and low sexual desire, as well as weak and brittle bones (osteoporosis), health problems after menopause, and joint ain, but there is limited scientific research to support any of these uses.
