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.