Caviar is a unique natural product rich in vitamins A, B, C, macro and microelements such as potassium, calcium, zinc, iron, copper, phosphorus, iodine. These elements are actively involved in metabolism, hematopoiesis, the formation of dental tissue, regulation of the thyroid gland. Herring is not only tasty, but also healthy. It is a valuable source of vitamins A, D and B12, selenium, iodine, phosphorus. In addition, herring is a storehouse of Omega-3 fatty acids, which the human body does not produce on its own, but it really needs them.