The problem of healthy eating is a complex and complex problem that requires extensive knowledge and skills in various fields of science and practice. Health and well-being depend on nutritional value.Lack of vitamins and minerals in the body leads to health problems - the development of hypovitaminosis, hypoelementosis, and various diseases. Vitamins, bioelements and other biologically active substances do not represent energy value for the body, since they are not, like fats or carbohydrates, a source of calories. But these bioactive substances, contained in food in small quantities, ensure the regulation of the most important vital functions and the normal course of all life processes. Therefore, the role of these food components for the body is extremely important.