Tauroursodeoxycholic Acid Dietary Supplement Nutricost Quality Guaranteed Third Party Tested Gmp Compliant Facility Non-gmo Product Gluten Free Tauroursodeoxycholic acid, or Tudca, is a water-soluble bile salt with a history that stretches back thousands of years.Nutricost Tudca offers a full 1 or 2 months' supply in every bottle. It is recommended that individuals take one capsule daily.