has role is protonated form of ferroptosis inhibitor geroprotector N-acetyl-L-amino acid acetylcysteine N-acetyl-L-cysteine N-ACETYL-L-CYSTEINE CHEBI:2418 (R)-mercapturic acid L-acetylcysteine N-acetyl-L-cysteine N-ACETYL-L-CYSTEINE CHEBI:21548 acetilcisteina acetylcysteinum N-acetyl-L-(+)-cysteine NAC Acetylcysteine (R)-2-acetylamino-3-mercaptopropanoic acid N-acetylcysteine An <em>N</em>-acetyl-<small>L</small>-amino acid that is the <em>N</em>-acetylated derivative of the natural amino acid <small>L</small>-cysteine. L-alpha-acetamido-beta-mercaptopropionic acid N-acetyl-L-cysteine mercapturic acid (2R)-2-acetylamino-3-sulfanylpropanoic acid CHEBI:45481 antiviral drug radical scavenger vulnerary antidote to paracetamol poisoning mucolytic human metabolite N-acetyl-L-cysteinate L-cysteine derivative