Licorice (Glycyrrhiza glabra) Licorice is a root which is recognized for its contribution to herbal medicine and remedies. Licorice, or glycyrrhiza glabra, is used as a flavor in medicines, candies and drinks. It is also used as treatment of various illnesses. However, the scientific backup for each benefit is quite limited. This root has multiple side-effects as well which makes the users cautious. It is available in the form of tea, capsules, gels and liquids.