Product Name: Epimedium extract
Active ingredient: Icariin 10% - 98%
Test method: HPLC
Appearance: Brown to yellow powder
CAS: 489-32-7

Sources:
Epimedium, grows as an ornamental herb in Asia and the Mediterranean. In Asia, its leaves have been used for treating fatigue and boosting **** for a long history since 16th century. Nowadays, the plant is a traditional Chinese medicine and is widely used as dietary supplement in western countries.

It is also sometimes referred to by its active ingredient, Icariin. Icariin is known as a prenylated flavonoid compound and has been shown to exert much of the aphrodisiac effects of Horny Goat Weed. It has also been shown in one rat study to increase Testosterone levels at a rather high dose, and moderate dosages are shown to be beneficial for bone health.