Liquorice liquorice, sweet root, and glycyrrhiza extract. G. glabra grows in subtropical climates in Europe, the Middle East, and Western Asia. When administered orally, the product of glycyrrhetic acid is found in human urine whereas GZA is not. This shows that glycyrrhetic acid is absorbed and metabolized in the intestines in humans. GZA is hydrolyzed to glycyrrhetic acid in the intestines by bacteria. For thousands of years G. glabra has been used for medicinal purposes including indigestion and stomach inflammation. Some other medicinal purposes are cough suppression, ulcer treatment, and use as a laxative. Also, salts of GZA can be used
Eremophila glabra Eremophila glabra Eremophila glabra, commonly known as tar bush, is a plant in the figwort family, Scrophulariaceae and is endemic to Australia. It is sometimes a low, ground-hugging and sometimes an erect shrub. The leaves are variable in size and shape and there is a range of flower colours. In spite of its scientific name, not all forms of the plant are glabrous but most have many small, raised glands on the stems, flowers and leaves. "Eremophila glabra" grows to in height, sometimes a prostrate shrub and sometimes erect. The leaves are arranged alternately, sometimes crowded, other times sparse, usually