DGL is short for deglycyrrhizinated licorice extract which is a major mouthful to say – hence the acronym! Licorice root has been used for a variety of wellness practices and purposes throughout history including as a digestive aid.* Nature’s Way DGL Ultra contains GutGard DGL licorice root for extra strength** soothing digestive relief.* These convenient chewables provide you with more potent digestive relief when you need it most.* **As compared to DGL. GutGard is a trademark of NATURAL REMEDIES PRIVATE LTD. Exclusively distributed by AIDP in North America.).