Diammonium glycyrrhizinate is a salt of glycyrrhetinic acid, a pentacyclic triterpenoid derivative of the beta-amyrin type obtained from the hydrolysis of glycyrrhizic acid, which was obtained from the herb liquorice. It is effective in the treatment of peptic ulcer and also has expectorant (antitussive) properties. It has some additional pharmacological properties including antiviral, antifungal, antiprotozoal, and antibacterial activities.