Also known as ursodiol, Ursodeoxycholic Acid is most commonly used for treatment of various health conditions including impaired bile flow, PBC, and gallstones. It is most commonly administered orally and has chemical formula C24H40O4 with molar mass of 392.56 g/mol. This drug is known to have ability to dissolve gallstones and provide protection to GI tract's epithelial cells. It can also regulate cytokines and antimicrobial peptides defensins. Ursodeoxycholic Acid is an epimer of chenodeoxycholic acid which is most commonly utilized as cholagogue & choleretic agent.