Bio-Cyanidins x 60 TabletsBio Cyanidins is excellent source of proanthocyanidins, with each tablet supplying 15 mg of Pycnogenol Pine Bark Extract and 35 mg of Grape Seed Extract (95% OPCs). All higher plants contain an extensive array of polyphenols, flavonoids, and complex aromatic compounds. The ability to synthesise these materials probably evolved in order to protect plant tissues from the potentially harmful effects of sunlight and oxygen. Oligomeric proanthocyanidins