Hardworking cranberries help support urinary health in a convenient capsule form.* CranRx contains a potent dose of researched cranberry fruit concentrate standardized to PACs (proanthocyanidins), the key flavonoids in cranberries. Our formula is made with premium cranberries, including the Early Black variety with a higher level of PACs. One capsule is equal to biological activity of 10 oz. cranberry juice cocktail.