Syrup liquorice recommended as biologically active food supplements - the source of glycyrrhizic acid, an additional source of vitamin C. Syrup of liquorice is used in inflammatory diseases of the respiratory tract, accompanied by a cough with difficult expectoration. Glycyrrhizic acid has antimicrobial activity against a number of pathogenic microorganisms (Staphylococcus tuberculocidal, E. coli); increase nonspecific resistance of the organism. Glycyrrhizic acid, stimulates the body's own interferon, which greatly increases the body's defenses and immunity.