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Moderate Evidence🛡️

Best NAC (N-Acetyl Cysteine) for Immunity in Australia

Precursor to glutathione, the body's most powerful antioxidant. Supports liver detoxification, respiratory health, and mental health. Compare prices across Australian retailers and find the best value.

Quick Summary

Dosage

600-1200 mg/day

Time to Effect

2-4 weeks

From

$0.05/serve

Evidence

moderate (4/5)

Timing: Take on empty stomach or between meals for best absorption.

Clinical Evidence

Attenuation of influenza-like symptomatology and improvement of cell-mediated immunity with long-term N-acetylcysteine treatment

PMID: 9230243
RCT1997n=262

NAC 600mg 2x/day for 6 months significantly reduced influenza episodes and severity. Only 25% of infected NAC subjects were symptomatic vs 79% placebo.

Best Prices in Australia

BulkSupplements NAC Powder

BulkSupplementsviaBulkSupplements

600mg per serve · 500 serves · Powder

$0.05/serve

$22.90 total

Buy
2

NOW NAC 600mg

NOW FoodsviaiHerb

600mg per serve · 100 serves · Capsule

$0.17/serve

$16.90 total

Buy
3

Life Extension NAC 600mg

Life ExtensionviaLife Extension

600mg per serve · 60 serves · Capsule

$0.24/serve

$14.50 total

Buy
4

Jarrow NAC Sustain

Jarrow FormulasviaAmazon AU

600mg per serve · 100 serves · Tablet

$0.29/serve

$28.50 total

Buy
5

Thorne NAC

ThorneviaThorne

500mg per serve · 90 serves · Capsule

$0.38/serve

$34.00 total

Buy

Interactions to Watch

  • NitroglycerinmajorNAC enhances the vasodilatory effects of nitroglycerin, potentially causing severe headache and dangerous blood pressure drops.
  • Activated charcoalmoderateCharcoal may absorb NAC, reducing its effectiveness.
Check all interactions

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This information is for educational purposes only and is not medical advice. Consult a healthcare professional before starting any supplement regimen. SuppUp earns affiliate commissions from qualifying purchases — this does not affect our recommendations.