Licorice root (Glycyrrhiza glabra) contains glycyrrhizin, one of the active constituents of the herb believed to be responsible for its soothing properties. Fights inflammation and viral, bacterial and parasitic infection. Beneficial for allergies, asthma, chronic fatigue, depression, emphysema, infection, glandular functions, inflammatory bowel disorders, premenstrual syndrome, menopausal symptoms and upper respiratory infections. Licorice derivatives have been recommended as a standard support for ulcer sufferers. Caution: Should not be used by persons with diabetes, high blood pressure, severe menstrual problems or a history of stroke.