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Amino acids

NAC

Glutathione · liver

N-acetyl-cysteine; glutathione precursor, antioxidant, mucolytic. Common dose 600–1200 mg.

Daily target
600 mg
Target Range
Upper limit
None
No UL established
Catalog matches
0
supplements in our catalog

How NAC appears on labels

Supplement labels list NAC under several names depending on the chemical form used. Any of these on an ingredients panel counts toward your NAC intake:

  • nac
  • n-acetyl-cysteine
  • n-acetyl cysteine
  • n-acetylcysteine
  • acetylcysteine

Deep dive

For mechanism of action, dosing protocols, evidence grade, and interaction warnings on NAC, see the full encyclopedia entry:

N-Acetyl L-Cysteine (NAC) encyclopedia entry →

Related amino acids

Track your full intake

Formulate's free desktop app aggregates NAC (and ~40 other nutrients) across every supplement in your stack — flagging underdoses, overlaps, and upper-limit overshoots in one view.

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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider. Targets and upper limits are general adult reference values; individual needs vary by age, sex, pregnancy status, and clinical context.