Product Name: Pine Bark Extract Botanical Source: Pinus massoniana Lamb Appearance: reddish -brown fine powder Standard: OPC95% Water: not more than 5.0% Package: 25/ KG per paper drum or packed with little parcel. Medicinal Use: Pine Bark Extract is used for conditions related to the heart and blood vessels, such as atherosclerosis ( hardening of the arteries) , high blood pressure, high cholesterol, and poor circulation.