UDCA could be supplied following bariatric surgical treatment to circumvent cholelithiasis, which generally occurs due to the swift weightloss creating biliary cholesterol oversaturation and in addition biliary dyskinesia secondary to hormonal improvements.[thirteen] Bear bile, a pure supply of UDCA, is Employed in conventional Chinese medication since the seventh century. https://www.youtube.com/watch?v=A07qHOeWON8