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
Hypochaeris glabra Hypochaeris glabra Hypochaeris glabra is a species of flowering plant in the dandelion tribe within the daisy family known by the common name smooth cat's ear. It is native to Europe, North Africa, and the Middle East but it can be found on other continents where it is an introduced species and a widespread weed. It has become widespread in Africa, southern and southeastern Asia, Australia, and parts of the Americas (especially California). "Hypochaeris glabra" is an annual herb growing a small taproot, a basal rosette of leaves, and one or more thin stems 10 to 40 centimeters (4-16 inches)