Promotes leg comfort and circulation. Supports joint comfort and mobility. Maintains a healthy blood glucose level already within normal limits. Supports healthy lung function. Pycnogenol is standardized to 65-75% procyanidins. Pycnogenol is a natural extract derived from the soft, edible inner bark of the French maritime pine tree. It contains a combination of procyanidins, bioflavonoids and organic acids which may help to provide protection from cell-damaging free radicals.