Pycnogenol® is a unique combination of proanthocyanidins obtained from the bark of the French maritime pine. As a potent natural 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 is protected by U.S. patent #6,372,266 and other international patents.