This document isn't going to contain all doable side effects and Other individuals may possibly take place. Verify using your doctor For added details about Unintended effects. Nonabsorbed ursodiol passes to the colon in which it is usually seven-dehydroxylated to lithocholic acid. Some ursodiol is epimerized to chenodiol (CDCA) https://www.youtube.com/watch?v=A07qHOeWON8