Dietary and nutritional supplements, substances and food preparations being supplements and baby food for medical purposes in the nature of enzymes, nutritive substances for microorganisms, for nutritional purposes in the nature of amino acids, proteins, antioxidants, fatty acids and enzymes, for mineral purposes in the nature of mineral supplements and mineral food supplements, for dietetic purposes in the nature of dietetic beverages adapted for medical use, dietetic foods adapted for medical use, for nutraceutical purposes in the nature of nutraceuticals for the treatment of vitamin deficiency, for vitamin purposes in the nature of vitamin supplements, vitamin tablets, for antioxidant purposes in the nature of food supplements, and for homeopathic purposes in the nature of supplements; substances and food preparations for enhancing saprophytic bacterial flora, namely, food supplements based on iron, magnesium and K2 vitamin, useful to fill dietary deficiencies or increased organic needs of these nutrients; food supplements of enzymes and proteins; dietary supplements for persons with special dietary needs; herbal dietary supplements for persons with special dietary needs; dietary supplements beverage for the treatment of vitamin deficiency; nutritional additives for medical use in the nature of food extracts derived from fish, meat or vegetables; complementary foods, namely, baby foods for the diet of humans; dietary foods and dietary food supplements for babies; non-medical dietary foods being dietary food supplements