Scientifically studied to help maintain vascular strength and function, Pycnogenol® is a combination of proanthocyanidins derived from the French maritime—i.e. near the sea—pine tree. It is a potent free-radical scavenger helping to support healthy tissues, immune system function and healthy metabolism. NOW Foods Pycnogenol also features acerola and rutin powder, two bioflavonoids for an extra antioxidant punch. Each serving delivers 60 mg Pycnogenol, 200 mg acerola and 240 mg rutin.