Supplement·Interactions·Reviewed June 9, 2026
NAC interactions.
NAC has 25 documented interactions in the NutriStack database: 1 to avoid or watch closely, 4 that need timing or caution, and 20 that work synergistically. The full list, with what each pairing does, is below.
NAC at a glance.
A quick, data-grounded summary. The full table is below.
NAC has 25 documented interactions in the NutriStack database: 1 to avoid or watch closely, 4 that need timing or caution, and 20 that work synergistically. The full list, with what each pairing does, is below.
Everything that interacts with nac.
Every supplement and medication in the NutriStack database with a documented interaction with this substance, highest-severity first. Open any pair for the mechanism and sources.
| Substance | Interaction | What happens |
|---|---|---|
| Activated Charcoal | Conflict | Activated charcoal adsorbs NAC in the GI tract, rendering it ineffective. This is clinically important because NAC is the antidote for acetaminophen... details → |
| Artemisinin | Caution | NAC is a potent antioxidant that can quench the reactive oxygen species artemisinin depends on, potentially reducing artemisinin's pro-oxidant effect. |
| EGCG (Epigallocatechin Gallate) | Caution | High-dose EGCG can be hepatotoxic in susceptible individuals. NAC is hepatoprotective (a glutathione precursor and the antidote for acetaminophen... |
| Isosorbide Mononitrate | Caution | NAC may potentiate organic nitrate effects, increasing the chance of dizziness, severe headache, flushing, or symptomatic hypotension. Evidence is... details → |
| Nitroglycerin | Caution | NAC can potentiate nitroglycerin-related vasodilation and headache. In people using nitrates for angina, this may increase the chance of symptomatic... details → |
| Alpha-Lipoic Acid | Synergy | Both support glutathione recycling. ALA regenerates glutathione from its oxidized form, while NAC provides the cysteine precursor for new... |
| Curcumin Phytosome | Synergy | Both support liver detoxification and reduce oxidative stress. Curcumin is a direct antioxidant; NAC supports glutathione production. |
| Ergothioneine | Synergy | Both compounds support cellular thiol-based antioxidant defenses. Ergothioneine is a stable, transporter-accumulated antioxidant, while... |
| Fluconazole | Synergy | Fluconazole can cause hepatotoxicity ranging from mild transaminase elevations to acute liver injury. N-acetylcysteine replenishes glutathione and... |
| Glycine | Synergy | Glycine and NAC (GlyNAC) together provide two of the three amino acids needed for glutathione synthesis. |
| Inositol | Synergy | In polycystic ovary syndrome, myo-inositol and N-acetylcysteine target complementary problems: inositol supports insulin signaling while NAC... |
| L-Glutathione | Synergy | NAC supplies cysteine, the rate-limiting precursor for endogenous glutathione synthesis, so co-supplementation can raise and sustain intracellular... |
| Lisinopril | Synergy | NAC has direct ACE-inhibitory activity (about 30% reduction in ACE activity in vivo) and provides sulfhydryl groups that may amplify... |
| Milk Thistle | Synergy | Both support liver health through glutathione-related mechanisms. NAC provides glutathione precursor; silymarin protects liver cells and supports... details → |
| Molybdenum | Synergy | Molybdenum is a required cofactor for sulfite oxidase, the enzyme that detoxifies the sulfite generated when N-acetylcysteine and other sulfur... |
| Quercetin | Synergy | Quercetin and NAC provide complementary antioxidant support, with NAC replenishing glutathione and quercetin scavenging free radicals directly. |
| Risperidone | Synergy | NAC has human trial evidence as an adjunct to risperidone for negative symptoms of schizophrenia. The effect is not immediate and does not replace... details → |
| Schisandra | Synergy | Schisandra and NAC both raise hepatic glutathione and antioxidant capacity, providing complementary protection against oxidative liver stress. |
| Selenium | Synergy | NAC provides glutathione, and selenium is the catalytic center of glutathione peroxidase enzymes. |
| Spirulina | Synergy | Spirulina and NAC both support antioxidant defenses through complementary mechanisms, with spirulina (phycocyanin) scavenging free radicals and NAC... |
| Sulforaphane | Synergy | Both compounds raise intracellular glutathione: sulforaphane induces the enzymes that synthesize glutathione while NAC supplies the rate-limiting... |
| Terbinafine | Synergy | Terbinafine is metabolized to a reactive allylic aldehyde (TBF-A) thought to drive its idiosyncratic hepatotoxicity. N-acetylcysteine restores... |
| Turmeric/Curcumin | Synergy | Both support liver detoxification and reduce oxidative stress. Curcumin is a direct antioxidant; NAC supports glutathione production. |
| Vitamin C | Synergy | NAC replenishes intracellular glutathione, while vitamin C provides extracellular antioxidant support. Complementary antioxidant systems. details → |
| Vitamin C Liposomal | Synergy | NAC replenishes intracellular glutathione, while vitamin C provides extracellular antioxidant support. Complementary antioxidant systems. |
The full nac profile.
Benefits, dosing by goal, forms, and the cited evidence for this supplement.
Common nac questions.
Quick answers drawn from the table above.
What interacts with NAC?
In the NutriStack database, NAC has 25 documented interactions with other supplements and medications. The most notable include Activated Charcoal, Artemisinin, EGCG (Epigallocatechin Gallate), Isosorbide Mononitrate, and Nitroglycerin.
What should you not take with NAC?
NAC is flagged against 1 substance in the database, including Activated Charcoal. Review these with a clinician before combining, especially alongside prescription medications.
What works well with NAC?
NAC pairs synergistically with Alpha-Lipoic Acid, Curcumin Phytosome, Ergothioneine, Fluconazole, and Glycine in the NutriStack database. Synergy still depends on dose and timing; open any pair for the detail.
Can you take NAC with Activated Charcoal?
NutriStack classifies the NAC and Activated Charcoal pairing as conflict: Activated charcoal adsorbs NAC in the GI tract, rendering it ineffective. This is clinically important because NAC is the antidote for acetaminophen toxicity and... Separate activated charcoal and NAC by at least 2 hours. If using NAC for clinical purposes, do not take activated charcoal at the same time.
Check your whole stack
See how nac fits your routine.
NutriStack screens your full stack for interactions and timing conflicts, and updates the moment you change it.