Vitabiotics Ultra Cranberry Extract containing Cranberries (Vaccinium macrocarpon) which contains proanthocyanidins, the pigments that appear in many red, purple or blue fruits and berries. The premium cranberries used in Ultra Cranberry are grown under certified conditions and carefully harvested in the autumn, with only the very best quality berries selected for their colour, size and active content. After extraction each batch is analysed, to ensure it meets our highest standards of quality control.