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Nutricost N-Acetyl L-Cysteine (NAC) Capsules

N-Acetyl L-Cysteine (NAC) Capsules

91A
Grade A · capsule · 120 servings · $16.67
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Scored by the Formulate Research Team · Last reviewed July 2026

AntioxidantsImmune SupportHealthy AgingHeart HealthLiver Support

Overview: Nutricost N-Acetyl L-Cysteine (NAC) Capsules

Nutricost N-Acetyl L-Cysteine (NAC) Capsules — capsule format. Contains Vegan N-Acetyl L-Cysteine. Supports: Immune Support, Healthy Aging, Heart Health, Liver Support. NSF Certified, GMP Certified, Third Party Tested certified.

Score Breakdown

Formulate scores every product across six weighted dimensions. Each dimension is graded independently — hover or tap to see what drove each component.

Evidence Qualityweight 40%
85/ 100
Dose Adequacyweight 35%
95/ 100
Form/Bioavailabilityweight 25%
95/ 100
Transparencyweight 0%
100/ 100
Safety/Redundancyweight 0%
100/ 100
Manufacturing Qualityweight 0%
84/ 100

Ingredients per Serving

IngredientAmount
Vegan N-Acetyl L-CysteineNAC3 papers, no controlled trials600 mg

Certifications & Testing

NSF CertifiedGMP CertifiedThird Party TestedGluten FreeNon-GMOVeganOrganic

Other Ingredients

Hypromellose (cellulose) capsule, magnesium stearate (vegetable source), rice flour, stearic acid (vegetable source)

Recommended Use

Take 1 Capsule daily with a meal and water, or as directed by a healthcare professional.

Warnings

These statements have not been evaluated by the Food and Drug Administration.

Frequently Asked Questions

What is Nutricost N-Acetyl L-Cysteine (NAC) Capsules's Formulate score?

Nutricost N-Acetyl L-Cysteine (NAC) Capsules scores 91 out of 100 (grade A) on Formulate's ingredient-level rubric, which weighs evidence quality, dose accuracy, bioavailability, transparency, safety, and manufacturing practices.

Is Nutricost N-Acetyl L-Cysteine (NAC) Capsules worth it?

Nutricost N-Acetyl L-Cysteine (NAC) Capsules scores 91/100 (grade A). That puts it in Formulate's top tier: its ingredient doses, forms, and label transparency hold up against the clinical evidence, and it carries credible third-party testing. Formulate grades every product with the same automated rubric, so the score reflects the formula — not marketing or sponsorships.

What's in Nutricost N-Acetyl L-Cysteine (NAC) Capsules?

Each serving contains Vegan N-Acetyl L-Cysteine (600 mg). Serving size: 1 Capsule. 120 servings per container.

How do I take n-acetyl l-cysteine (nac) capsules?

Take 1 Capsule daily with a meal and water, or as directed by a healthcare professional.

Who makes N-Acetyl L-Cysteine (NAC) Capsules?

N-Acetyl L-Cysteine (NAC) Capsules is made by Nutricost. See Formulate's full grade and product lineup for Nutricost on its brand page.

Is Nutricost N-Acetyl L-Cysteine (NAC) Capsules third-party tested?

Nutricost lists the following certifications and testing for this product: NSF Certified, GMP Certified, Third Party Tested, Gluten Free, Non-GMO, Vegan, Organic.

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Disclosure. Formulate may earn a commission from purchases made through links on this page. Commissions never influence scores — every product is graded by the same automated rubric. This page is for educational purposes only and does not replace advice from a qualified healthcare provider.