Cranberries are rich in various healthy vitamins and plant compounds proven to be effective against urinary tract infections. Cranberries are mainly composed of carbohydrates and fiber. They make up a rich source for various vitamins and minerals, particularly vitamin C. Vitamin C is one of the dominant antioxidants in cranberries. It's essential for the skin, muscles and bones. Cranberries also have effective antioxidant properties thanks to polyphenol compounds. Cranberries contain various antioxidants such as anthocyanin, proanthocyanin and quercetin which can be beneficial for cardiac health.