This product is a health food extracted from natural plants, which has been sold at domestic and abroad. It is produced by GMP factory and approved by Chinese FDA (G20110357). Epimedium is one of the best Chinese herbal medicines for tonifying kidney and strengthening yang, commonly known as "plant Viagra". In our Epimedium planting base, it is carefully cultivated by several top experts in the industry. The active ingredient index of the product is far higher than the standard stipulated by Chinese FDA.