UDCA could possibly be supplied after bariatric medical procedures to prevent cholelithiasis, which typically happens due to immediate weight loss creating biliary cholesterol oversaturation as well as biliary dyskinesia secondary to hormonal variations.[thirteen] Nonabsorbed ursodiol passes in to the colon exactly where it is mostly 7-dehydroxylated to lithocholic acid. https://www.youtube.com/watch?v=A07qHOeWON8