Cranberry without sugar. The cranberry is therefore the fruit of a shrub and belongs to the same family as other berries, such as the blueberry. The US and Canada have the largest cranberry production in the world and its cultivation requires a fairly humid climate. Cranberries are fruit, so they basically offer you carbohydrates, mainly in the form of simple sugars, offering 46 calories per 100 grams of fresh product. Cranberries are also a good source of vitamin C, fiber and manganese. Cranberry proanthocyanidins seem to be able to protect your body against some bacteria, such as E. coli, which is a common cause of urinary tract infections. Cranberry antioxidants have been extensively studied in laboratory environments with positive results against cancer cell growth. Cranberries as a food rich in fiber, vitamins and minerals, are already a good choice for your diet.