Chenodeoxycholic Acid Products | Cleanchem - Chenodeoxycholic acid is a bile acid used in the treatment of cholesterol gallstones and certain types of bile acid disorders. It works by dissolving gallstones and reducing the amount of cholesterol in the bile, helping prevent stone formation. Chenodeoxycholic acid is also used in managing primary biliary cirrhosis. Side effects may include gastrointestinal upset, liver enzyme abnormalities, and skin rashes.