Whole licorice root is a versatile herb known for its medicinal properties, flavoring capabilities, and historical significance in traditional medicine. What is Whole Licorice Root? Whole licorice root comes from the plant Glycyrrhiza glabra, which is native to Europe and Asia. It has been used for thousands of years in various cultures for its health benefits and as a flavoring agent in foods and beverages. The root contains a compound called glycyrrhizin, which is responsible for its sweet taste and many of its medicinal properties.