Other compounds

Tudca

Also called: tauroursodeoxycholic acid

A bile acid.

Why people take it
Liver, gallbladder.
What the evidence says
Little human evidence as a supplement.
How it is usually taken
Usually 250 to 1,500 mg a day.
Be careful
Diarrhoea; see a doctor for liver problems.
Medicines it can interact with
May affect medicines processed through bile.

Other other compounds

Alpha-lipoic acidResveratrolQuercetinPterostilbeneNMNSpermidineFisetinPQQSulforaphaneDIMDHEAMelatoninCaffeine and L-theanineCannabidiol (CBD)Hemp seedBee pollenRoyal jellyPropolisManuka honeyChlorophyll

Common questions

What is Tudca?

A bile acid.

Why do people take Tudca?

Liver, gallbladder.

Does Tudca work?

Little human evidence as a supplement.

How much Tudca do people take?

Usually 250 to 1,500 mg a day.

Is Tudca safe?

Diarrhoea; see a doctor for liver problems.

Does Tudca interact with medicines?

May affect medicines processed through bile.

Sources and further reading

Last reviewed 31 October 2026. Written by Satya Babu.

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For information only, not medical advice. Supplements are not medicines: they are not tested and approved like drugs before they are sold, and they can interact with medicines. Talk to your doctor or pharmacist before you start one, especially if you are pregnant or breastfeeding, take regular medicines, or have kidney, liver or heart disease.