Expert Answer

Does NAC boost glutathione levels?

NAC nac glutathione detox
Based on expert consensus data from publicly available videos, not medical advice. Always consult your healthcare provider before starting, stopping, or changing any supplement.

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.

3.4/5

Moderate Consensus

on NAC overall

What Researchers Say

Mark Hyman
Mark Hyman Strongly Agrees

NAC is the key precursor to glutathione. Discusses across 24 videos for detox, immune function, liver health.

Bryan Johnson
Bryan Johnson Strongly Agrees

Glutathione levels dropped measurably when he cycled off NAC - direct biomarker evidence.

Andrew Huberman
Andrew Huberman Agrees

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.

More Questions About NAC

Precis Pro

Get the exact protocol for NAC

The answer above is the whole answer — every expert's position, where they disagree, and the timecode behind each one. Nothing on this page is held back.

Pro adds

  • The dose each expert actually names, and the form they name with it
  • Timing and what they say to take it with, or keep it away from
  • The interactions they flag by name
  • Chat across 3,500+ expert videos, with a timecode behind every answer

$9/mo · Cancel anytime

Full NAC Consensus Report

See what all the experts agree and disagree on