Life Extension N-Acetyl-L-Cysteine 600mg

Life Extension · Capsule · 600 mg

Price/day

€0.37

Dose

600 mg

Servings/pack

Pack price

€22.00

Transparency Index

8.1/10

Recommended A long-established NAC product well-suited for glutathione support protocols.

Rating breakdown

Evidence for ingredient 7.0/10

NAC is well-documented for mucolytic effects, as a glutathione precursor, and for antioxidant capacity.

Value for money 8.0/10

€0.37 per 600 mg of pharmaceutical-grade NAC is fair.

Product quality 8.0/10

cGMP manufacturing with pharmaceutical-grade purity.

Label honesty 9.0/10

Life Extension lists only NAC and cellulose — nothing else.

Third-party testing 8.0/10

Every batch comes with a COA including HPLC verification.

Product Description

600 mg NAC per capsule from pharmaceutical production, free of gluten and GMOs. Supports endogenous glutathione synthesis.

What We Like

cGMP manufacturing
Well-documented supply chain
Neutral flavor

What We’re Missing

Sulfur odor
Only 60 servings per bottle

Usage Recommendation

1 capsule in the morning on an empty stomach with vitamin C. Under high oxidative load, add a second capsule in the afternoon.

Other NAC (N-Acetylcysteine) products

Pure Encapsulations NAC 900mg

8.1/10

Recommended

Jarrow NAC Sustain 600mg

Nutricost NAC 600 mg

Ingredient dossier

NAC is a glutathione precursor with established medical use. As a longevity supplement (especially as GlyNAC), early human data is promising but limited.

Read full dossier: NAC (N-Acetylcysteine) →