Blueberries are rich in beneficial nutrients, vitamins, natural sugar and organic acids, and also contain minerals such as: manganese, which is useful in the process of absorption of carbohydrates and protein. Blueberries maintain a moderate blood cholesterol level and thus protect against heart problems also promotes brain health from stress, it also reduces inflammation, protects against ovarian cancer, also treats constipation, also protects against early Alzheimer's disease.