Natural Factors Organic CranRich Super Strength Cranberry Concentrate - 500 mg - Provides a high dose of bioactive cranberry nutrients known to prevent and treat recurrent urinary tract infections. The high proanthocyanidin content helps prevent pathogenic bacteria from attaching to urinary tract walls, which can cause infection. Natural Factors Organic CranRich Super Strength Cranberry Concentrate is a 36:1 concentration made from high quality, 100% whole cranberry fruit solids with no added sugar, water, flavour, colour, or preservatives. Every dose provides three times the antioxidant activity of pure cranberry juice in addition to vitamins A, C and B, folic acid, calcium, iron, and potassium. CranRich is an effective way to reap the health benefits of cranberry without having to experience the tartness of pure cranberry juice.