BioStacks
Nutricost

NAC 600 mg

1 Capsule · 120 servings

iHerbAmazon

Best for

Liver

Ingredients (1)

N-Acetyl L-Cysteine

100%

Dose

600 mg

Target

600–1800 mg

Form

—

Other Ingredients (4)

Rice FlourFiller

Rice-based ingredients carry risk of inorganic arsenic contamination (FDA and Consumer Reports). Rice accumulates arsenic from soil at higher rates than other grains. Used as a cheap filler — adds nothing beneficial.

Magnesium StearateLubricant

A salt of stearic acid used as a lubricant in tablet and capsule production

Stearic AcidLubricant

Saturated fatty acid used as tablet lubricant

Capsule ShellCapsule

Generic capsule shell where the label does not specify the material. Common materials are hypromellose (HPMC) for vegetarian capsules and gelatin for traditional capsules — both are GRAS-listed and safe. Fish gelatin and pullulan variants also exist.

How to Take It

Take it anytime

Best absorbed between meals, away from food.

On an empty stomach

On the label

Recommended Use: As a dietary supplement, take 1 capsule 1-3 times daily with 8-12 oz of water, or as directed by your physician.

General guidance based on the ingredients, not a substitute for the label or your doctor.

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.

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