Expert Consensus Score
NAC
Moderate Consensus
out of 5
Based on 29 videos across 5 experts · Updated 2026-03-19
Expert Positions
The Verdict
3 of 5 experts actively recommend NAC supplementation. Hyman is the strongest advocate by far, recommending NAC across 24 videos for glutathione support, detoxification, liver health, immune function, and brain health. Johnson includes NAC as a core pill in his daily Blueprint stack. Huberman and a guest (Dr. Seheult) discuss NAC for immune support and cold prevention. Attia and Patrick have no direct NAC coverage in analyzed videos.
Quick Protocol
Dosage
600-1,800mg daily. Johnson includes NAC as a standard pill in his Blueprint stack (exact dose not specified in videos). Hyman uses clinical doses that vary by condition.
Form
Capsule form is most commonly referenced. Hyman also discusses boosting glutathione through liposomal or intravenous glutathione for acute clinical situations.
Timing
Take with food to avoid stomach upset. Johnson takes NAC in the morning as part of his Blueprint stack, noting the stack should be taken earlier in the day due to energy-promoting ingredients.
Key Findings
- NAC is a precursor to glutathione, the body's master antioxidant and detoxifier, essential for preventing chronic diseases including cancer, Alzheimer's, and heart disease (Hyman).
- Bryan Johnson includes NAC as a core daily pill in his Blueprint stack, and his glutathione levels dropped measurably when he cycled off NAC.
- NAC shows promise in reducing cold duration and potentially preventing infections when used alongside zinc (Huberman).
- Hyman recommends NAC as part of a clinical protocol for reversing fatty liver disease, alongside lipoic acid, milk thistle, and B vitamins.
+ 4 more findings in the full report
Read the Full NAC Report
Expert deep dives, video citations with timestamps, risks, synergies, and detailed protocol.
View Full Report