Pycnogenol is an antioxidant found in pine tree bark and another form of OPC. Pycnogenol helps maintain a healthy cardio vascular system as well as fight off free radicals. Pycnogenol is a rich source of bioflavonoids and proanthocyanidins. The supplement supports the connective tissues, collagen and elastin. WebVitamins offers a selection of Pycnogenol supplements to meet all of your needs.