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
Phyllostegia glabra Phyllostegia glabra Phyllostegia glabra is a species of flowering plant in the mint family known by the common name ulihi phyllostegia. It is endemic to Hawaii. One variety of this species, var. "lanaiensis", is federally listed as an endangered species of the United States. It is a perennial herb with reddish or red-veined green leaves and white or white-tinged flowers. It differs from the variety "glabra" in the size of its sepals and leaves. The rare variety "lanaiensis" has not been seen since a single specimen was recorded on Lanai in the 1980s. It may still exist on the island,