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 protect the body's tissues from oxidative stress 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. Take 1 capsule 1 to 3 times daily.