Preferred food should be given to the following products: breast of chicken, veal, freshwater fish, eggs, cottage cheese, nonfat cheese. Rice, buckwheat, green fruits and vegetables. Caloric intake (its calorific value) should cover the energy consumption of the organism to all activities and vice versa. The diet should be varied. The total daily caloric intake of selected foods should consist of the necessary amounts of protein, fats and carbohydrates. In order to fully supply the body different proteins (and hence the corresponding amino acids) is necessary, that the required daily amount of protein was approximately half of animal origin (meat, poultry, fish), and half vegetable. However, the use of only plant foods (vegetarianism) does not provide the body with all essential amino acids. A set of products with the required calories should also include the necessary amount of vitamins and minerals in accordance with the daily need for these substances and their content in food. The basic amount of food daily ration (65%) should fall on a day meals: 2-nd breakfast and lunch.