Dietary Supplement. Beneficial Antioxidant Properties* Standardized Pine Bark Extract Pycnogenol is a natural plant extract made from the bark of pinus pinaster. Natrol® Pycnogenol contains proanthocyanidins, powerful compounds that act as antioxidant free-radical scavengers.* This product is to be used in conjunction with a healthy calorie reduction and exercise program. No yeast, wheat, corn, milk, egg, soy, glutens, artificial colors or flavors, added sugar, starch or preservatives. 1-800-2-NATROL *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.