NAC (N-Acetyl-L-cysteine)
Scored by the Formulate Research Team · Last reviewed July 2026
Score Breakdown
Three factors carry this score; three more are checked separately and can only take points away. Hover or tap to see what drove each one.
Ingredients per Serving
| Ingredient | Amount |
|---|---|
| N-Acetyl-L-Cysteine1 systematic review · 10 randomised trials | 1200 mg |
Certifications & Testing
Other Ingredients
Cellulose, Ascorbyl Palmitate
Recommended Use
Recommendations: 1 or 2 capsules 1-2 times daily with food, or as directed by your healthcare professional.
Warnings
Keep out of reach of children. Use only if safety seal is intact Warning: If pregnant, consult your physician before taking.
Frequently Asked Questions
What is Vital Nutrients NAC (N-Acetyl-L-cysteine)'s Formulate score?
Vital Nutrients NAC (N-Acetyl-L-cysteine) scores 86 out of 100 (grade A-) on Formulate's ingredient-level rubric: clinical evidence, dose accuracy and bioavailability carry the score, while manufacturing, transparency and safety are checked separately and can only deduct.
Is Vital Nutrients NAC (N-Acetyl-L-cysteine) worth it?
Vital Nutrients NAC (N-Acetyl-L-cysteine) scores 86/100 (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 Vital Nutrients NAC (N-Acetyl-L-cysteine)?
Each serving contains N-Acetyl-L-Cysteine (1200 mg). Serving size: 2 Vegetarian Capsule(s). 50 servings per container.
How do I take nac (n-acetyl-l-cysteine)?
Recommendations: 1 or 2 capsules 1-2 times daily with food, or as directed by your healthcare professional.
Who makes NAC (N-Acetyl-L-cysteine)?
NAC (N-Acetyl-L-cysteine) is made by Vital Nutrients. See Formulate's full grade and product lineup for Vital Nutrients on its brand page.
Is Vital Nutrients NAC (N-Acetyl-L-cysteine) third-party tested?
Vital Nutrients lists the following certifications and testing for this product: Non-GMO, Gluten-Free, Dairy-Free, Sugar-Free.
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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.