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Moderate Evidence🧘

Best NAC (N-Acetyl Cysteine) for Stress & Anxiety 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

600-2400 mg/day

Time to Effect

4-8 weeks

From

$0.05/serve

Evidence

moderate (3/5)

Timing: Split into 2 doses. Can be taken with or without food.

Clinical Evidence

N-acetylcysteine in psychiatry: current therapeutic evidence and potential mechanisms of action

PMID: 25160699
Systematic Review20140

NAC shows promise across multiple psychiatric conditions including OCD, depression, bipolar disorder, and addiction through glutamate modulation and oxidative stress reduction.

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.