The combination of vitamins and minerals gives blueberries an incredibly many unique beneficial properties that have a beneficial effect on the metabolic processes in the body of a small person. Blueberries are a good source of vitamins C, A, E, PP, B vitamins (B1, B2), they contain a lot of potassium, calcium and iron. In terms of manganese content, blueberries are in first place among all berries and fruits. One of the main properties of blueberries is a beneficial effect on the digestive system. Due to the complex of chemicals, the content of pectins, it is taken for gastrointestinal diseases, food poisoning, digestive disorders, to reduce the manifestation of dysbiosis. Blueberries are also recommended for improving vision in children. Anthocyanins, which blueberries are very rich in, are the most powerful natural antioxidants and are of great importance for the child's body. Their function is to improve the blood circulation of the retina, to restore its affected areas, to increase visual acuity.