Nutricosts TUDCA, or tauroursodeoxycholic acid supplement contians 250 mg of tudca per capsule and 60 capsules in each bottle. TUDCA, a metabolite of Ursodeoxycholic acid (UDCA), is a water soluble bile acid found naturally occurring in the body. Nutricost's tudca supplement is non-gmo, gluten free, soy free and is a humane source of tudca (due to the inhumane way of how tudca is obtained from bear bile, Nutricost does not use bear bile sourced tudca). It is manufactured in a GMP compliant facility and each batch of every Nutricost product is always tested by independent, ISO-accredited laboratories to insure safety and quality.