Tauroursodeoxycholic acid, more commonly referred to as TUDCA, is a bile acid that is found in trace amounts in the human body. Bile acids are compounds released from the gallbladder that help digest fats.
Bear bile, which contains large amounts of TUDCA, has been used in traditional Chinese medicine for more than 3,000 years. However, TUDCA obtained from bears is extremely controversial due to animal welfare concerns. Bile is either extracted from live bears on “farms,” where bears are kept in small cages and are subjected to either perpetually open wounds or to constant invasive surgery or wild bears are hunted for their gallbladders. These practices persist even though TUDCA can be chemically synthesized
TUDCA (which has the trade name Tudcabil) is currently classified as a ‘supplement’ for certain liver disorders but has shown to be useful in treating amyotrophic lateral sclerosis (ALS), Alzheimer’s disease, Parkinson’s disease, and Huntington’s disease.
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