Pine bark extract has been used in folk medicine all around the world. The maritime pine is native to the western Mediterranean, with a range extending over Portugal, Spain, France, Italy, and
Morocco. Pine bark extract is contain proanthocyanidins taken from a number of natural sources, such as grape seeds (see Grapes) and other plants. there are several other pine bark extract
supplements available, which may use different types of pine bark and have different formulations. Pine bark extract is used for its antioxidant properties.