Metabolic Maintenance

NAC 600mg, 60 Capsules

NAC 600mg by Metabolic Maintenance delivers N-acetyl cysteine, a direct precursor to glutathione, the body's primary endogenous antioxidant, in a straightforward, single-ingredient capsule format.

May be a fit for

  • Adults seeking NAC support for healthy glutathione production
  • Individuals exposed to environmental pollutants or oxidative stressors
  • Those supporting liver detoxification pathways with N-acetyl cysteine
$32.99

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CapsulesFormat
60 CapsulesPack size
The essentials

A closer look.

NAC 600mg by Metabolic Maintenance delivers N-acetyl cysteine, a direct precursor to glutathione, the body's primary endogenous antioxidant, in a straightforward, single-ingredient capsule format. It supports antioxidant defenses, respiratory mucosal health, and liver function for those seeking targeted cellular protection.

Why It's Worth Considering: Metabolic Maintenance is known for clean, minimal-excipient formulas, and this 600mg dose aligns with the amounts commonly used in clinical practice to support glutathione synthesis and oxidative stress response.

Inside the formula

Product details

Who it may suit

May be a fit for

  • Adults seeking NAC support for healthy glutathione production
  • Individuals exposed to environmental pollutants or oxidative stressors
  • Those supporting liver detoxification pathways with N-acetyl cysteine
  • Active individuals using NAC to maintain respiratory mucus clearance

Considerations

  • Active bleeding or bleeding disorders
  • Taking nitroglycerin (may cause hypotension)
  • Asthma (rare cases of bronchospasm at high doses)
  • Scheduled surgery within 1 week
What to expect over time
Day 1–7

Glutathione Boost

Increased intracellular glutathione production

Week 2–4

Liver Support

Enhanced phase II detoxification

Week 4–8

Respiratory & Mental

Clearer breathing, reduced compulsive symptoms

Month 2–3

Systemic Antioxidant

Reduced oxidative stress markers

Based on clinical NAC research at 600-1800mg/day.

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Good to know

A few useful answers.

Research & further reading

More category questions

What is NAC used for?

NAC is the precursor to glutathione — the body's master antioxidant. It's used for liver detoxification, respiratory health (thins mucus), mental health (OCD, addiction, depression), immune support, and protecting against oxidative damage from toxins, alcohol, and environmental chemicals. It's also the standard ER treatment for acetaminophen overdose.

How much NAC should I take?

For general antioxidant support: 600mg 1-2x daily. For liver support: 1200-1800mg/day. For respiratory health: 600mg 2-3x daily. For mental health (OCD, addiction): 1200-2400mg/day (clinical study doses). Take on an empty stomach for best absorption.

Is NAC the same as glutathione?

No — NAC is a precursor that your body converts INTO glutathione. NAC has better oral bioavailability than direct glutathione supplements (which are largely destroyed in the stomach). NAC is generally more cost-effective for raising intracellular glutathione levels than oral glutathione, though liposomal glutathione is a viable alternative.

Can I take NAC every day?

Yes. NAC is well-tolerated for long-term daily use at standard doses (600-1800mg). It's water-soluble and excess is excreted. Common side effects are mild GI upset, which resolves by taking with food. There's no evidence of tolerance or need for cycling.

Does NAC help with hangovers?

NAC supports alcohol metabolism by boosting glutathione, which is depleted during alcohol detoxification. However, timing matters: take NAC BEFORE drinking (at least 30 minutes prior), not after. Taking NAC after alcohol may actually increase liver toxicity by interfering with the detoxification sequence.

Supplement information is provided for education and is not a substitute for personalized medical advice. Supplements are not intended to diagnose, treat, cure or prevent disease. Read the current product label before use.

Metabolic Maintenance - NAC 600mg, 60 Capsules