Deglycyrrhizinated Licorice (DGL) is a safe and effective licorice extract. It is specially processed to have glycyrrhizin removed to avoid potential side effects such as elevated blood pressure. DGL improves the integrity of the natural mucus lining of the stomach and intestinal wall. It stimulates the protective factors which guard against weaknesses in these linings. All Natural Factors products are manufactured according to Canadian Health Protection Branch good manufacturing Practices (GMP), among the highest standards in the world.