3β-Ursodeoxycholic acid

3β-Ursodeoxycholic acid (Isoursodeoxycholic acid) is a bile acid. 3β-Ursodeoxycholic acid (Isoursodeoxycholic acid) shows good tolerance and well intestinal absorption by oral adminstation. 3β-Ursodeoxycholic acid (Isoursodeoxycholic acid) can be isomerized by intestinal and hepatic enzymes to yield UDCA[1].