Safety · Supplement
N-Acetylcysteine (NAC): side effects, safety & interactions
Generally safe; GI upset is the main complaint, and its sulfur smell is off-putting. Theoretical additive effects with n
- Overall grade
- Grade B
- Last revised
- 0
- graded outcomes
- 0
- references listed
Assembled by the app from other entries in this library. It adds no evidence of its own — follow the links to the entries it draws on.
The evidence in words
Safety profile
Generally safe; GI upset is the main complaint, and its sulfur smell is off-putting. Theoretical additive effects with nitroglycerin and, at high doses, mild antiplatelet action.
Interactions to respect
No major interactions are on record for N-Acetylcysteine (NAC) at typical doses, but tell your clinician about everything you take.
What N-Acetylcysteine (NAC) is
NAC is the acetylated form of the amino acid cysteine, the rate-limiting building block of glutathione, the body's master antioxidant. It is a well-established drug (mucolytic and the standard acetaminophen-poisoning antidote) sold as a supplement in many markets.
The honest bottom line
A genuinely useful compound with real mechanisms: glutathione support, mucus-thinning, and modest psychiatric-adjunct evidence. 600–1,800 mg/day; the dramatic uses (overdose antidote) belong to medicine.
Related reading
Entries that share this one's tags or conditions.
- Glutathione: side effects, safety & interactionsWell tolerated; skin-lightening IV use is a separate, unregulated concern.Evidence grade C
- N-Acetylcysteine (NAC)A glutathione precursor with real mucolytic and psychiatric-adjunct evidence — and the antidote for acetaminophen overdose.Evidence grade B
- N-Acetylcysteine (NAC) for Glutathione / oxidative markersEvidence grade B — Reliable biomarker effectEvidence grade B
- N-Acetylcysteine (NAC) for Mucus clearanceEvidence grade A — Established mucolyticEvidence grade A
Sources
This entry lists no references of its own — it is assembled from the entries it links to, whose sources are on their pages.
Last revised . A grade is this entry's reading of the evidence, not medical advice.