Advanced TUDCADrainage and Liver Support 60 caps TUDCA (Tauroursodeoxycholic acid) is a water soluble bile acid and liver helper. It's present in small amounts in your bile, which is produced by your liver. TUDCA helps stimulate the release of bile into your gut and detox a whole range of potentially harmful substances, including those generated during metabolic processes and contaminants from your food and the environment.