With 300 mg Bioflavonoids Healthy Vascular Function* Balanced Immune Response* Pycnogenol® is a unique combination of proanthocyanidins obtained from the bark of the French maritime pine. As a potent scavenger of free radicals, Pycnogenol® helps to maintain healthy cellular structures and supports a healthy, balanced immune system response to normal metabolic stress.* Through these mechanisms, Pycnogenol® helps to maintain healthy eye, skin, and joint tissues.* In addition, scientific studies have shown that Pycnogenol® helps to maintain vascular strength and function.* Pycnogenol® is a registered trademark of Horphag Research Ltd. Use of this product may be protected by one or more U.S. patents and other international patents. Natural color variation may occur in this product.