Expert Answer
Does NAC boost glutathione levels?
Quick Answer
Yes. NAC is a precursor to glutathione — what Hyman calls 'the body's most important molecule.' Johnson's glutathione levels dropped measurably when he stopped taking NAC. Dosage: 600-1,800mg daily.
Moderate Consensus
on NAC overall
What Researchers Say
NAC is the key precursor to glutathione. Discusses across 24 videos for detox, immune function, liver health.
Glutathione levels dropped measurably when he cycled off NAC — direct biomarker evidence.
NAC alongside zinc shows promise for cold prevention and immune support.
Detailed Answer
NAC provides the rate-limiting cysteine precursor for glutathione synthesis. Hyman is the strongest advocate, discussing NAC across 24 videos as the key to boosting glutathione — which he calls "the body's most important molecule" for detoxification and immune defense.
Johnson provides direct biomarker evidence: his glutathione levels dropped when he cycled off NAC, confirming the supplementation link. He includes NAC as a core daily pill in his Blueprint stack.
Huberman discusses NAC alongside zinc for immune support and cold prevention. Hyman recommends NAC alongside alpha-lipoic acid, B vitamins, selenium, and milk thistle for comprehensive glutathione support.
Related Questions
Is NAC still available as a supplement?
The FDA raised concerns in 2021 about NAC's supplement status, but it remains widely available. Regulatory status may vary by region.
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Full NAC Consensus Report
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