a unique flavonoid, extracted from the bark of the maritime pine,stronger than similar shop bought products,with 40mg of pure natural extract in each capsule,powerful antioxidant properties,from compounds called anthocyanidinspycnogenol® is a unique flavonoid extracted from the bark of the maritime pine. worldwide, it is one of the top selling flavonoids and this success is based on some great research that impressed us so much that we were the first company to sell the product in the uk. it has been shown to possess powerful antioxidant properties as well as being able to protect and rebuild our body\'s collagen. our diets used to provide plenty of this type of nutrient as dark skinned berries, such as blackberries and bilberries.each capsule contains 40mg in the form of a pure natural extract, a level far stronger than similar products. pycnogenol® is still very popular but for customers looking to supplement their diets with anthocyanidins then colladeen® is a higher potency anthocyanidin product.