Compound

NAC (N-acetylcysteine)

N-acetylcysteine (NAC), a form of the amino acid cysteine. The body can use cysteine as a building block for glutathione. Sold as a supplement ingredient.

Often discussed in relation to

Antioxidant interest

Foods and products containing it

NAC (supplement)Supplement Glutathione (supplement)Supplement

Often considered alongside

GlutathioneCompound

References

NIH / NLM PubChem: N-Acetyl-L-Cysteine
Reference for the substance’s identity. This does not establish a health benefit or a product’s composition.