Natural Factors - DGL Licorice Root - 180 Tablet(s) - NPN: 80015442 -- Natural Factors DGL Licorice Root Extract aids digestion and treats stomach complaints, including heartburn and indigestion. It soothes and protects the stomach lining, helping to heal ulcers and prevent their recurrence. DGL contains no glycyrrhizin, so its completely safe, even for people with high blood pressure.