UDCA could be presented immediately after bariatric surgical procedure to stop cholelithiasis, which frequently happens mainly because of the rapid weight-loss developing biliary cholesterol oversaturation and also biliary dyskinesia secondary to hormonal adjustments.[thirteen] Nonabsorbed ursodiol passes in the colon wherever it is generally seven-dehydroxylated to lithocholic acid. ... https://www.youtube.com/watch?v=A07qHOeWON8