Glandular, Respiratory. We know this herb for its wide use as a candy flavoring, but its value goes far beyond that. The dietary use of licorice goes back several thousand years. Licorice root has been used by traditional herbalists as a general tonic and for respiratory support. It also supports the liver. Licorice is included in many Chinese herb combinations to balance the other herbs. It has a reputation for helping the entire body maintain balance and promoting well being. Licorice contains the triterpenoid saponin, glycyrrhizin.