No. 098Nutrient
Nutrient
N-acetyl cysteine
A form of the amino acid cysteine that helps the body make glutathione.
- Also known as
- NAC
- Evidence
- Clinical evidence Evidence level 4 of 5
- Body systems
- Liver
In research
NAC is used in hospitals to protect the liver in paracetamol overdose, by restoring glutathione.
Strength of evidence
Clinical evidence Evidence level 4 of 5Tested in randomised trials in people, usually small or short. How we grade evidence.
What we know
- The standard antidote for paracetamol poisoning, through replenishing glutathione.
Safety and cautions
Usually well tolerated orally. Can cause digestive upset.
Evidence
Research and answers
Appraised research and plain-language answers that involve N-acetyl cysteine.
Where you will find it
Products that contain it
Ingredient pages summarise traditional use and the direction of published research for education. They are not claims about any product and are not medical advice.
Did this answer your question?
Thank you. Your feedback helps us decide what to write next.