This document does not contain all attainable Uncomfortable side effects and Some others may well come about. Test using your doctor for additional information about Unintended effects. Nonabsorbed ursodiol passes in the colon where by it is generally seven-dehydroxylated to lithocholic acid. Some ursodiol is epimerized to chenodiol (CDCA) https://www.youtube.com/watch?v=A07qHOeWON8