tudca supplement 600mg, 30 servings, ultra strength bile salts tudca liver support - detox and cleanse | genuine bile acid tudca for liver health eagleshine vitamins tauroursodeoxycholic acid (tudca) is a bile acid derivative that occurs naturally in the body and has been used in china for thousands of years. it is mainly used to promote bile flow in the liver, help clear bile from liver ducts and promotes a refreshed healthy liver function. it may also support brain health, immune function, insulin sensitivity, eye health and thyroid functions.