If you're looking a stellar source of whole body nourishment, Swanson Superior Herbs Pine Bark Extract is both economical and effective. Loaded with antioxidants, including oligomeric proanthocyanidin compounds, or OPCs, there are many pine bark extract benefits. These benefits include helping support proper glucose levels, maintain cholesterol and blood pressure levels already within the normal range, and support reduced free radical damage. Standardized to 95% OPC (oligomeric proanthocyanidins) concentration for guaranteed potency, our pine bark supplement delivers 50 mg of potent whole-body nourishment without putting a dent in your wallet.