NaturesPlus Pro NAC 1200 Sustained Release 600 mg supplement bottle
NaturesPlus

Pro NAC 1200 Sustained Release 600 mg Review

What We Researched
1 active ingredient analyzed · 3 inactive ingredients decoded · Last updated: Aug 2026
100
Product Score Excellent
58
Brand Score Poor

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
N-Acetyl-L-Cysteine (NAC) 1,200 mg
Bioavailability Excellent

Absorption Rating

  • N-Acetyl-L-Cysteine (NAC) Good
Other Ingredients Excellent

Fillers & Additives

  • Microcrystalline Cellulose
  • Hydroxypropyl Methylcellulose
  • Stearic acid and silicon dioxide
Efficacy Excellent

Dosage Analysis

  • N-Acetyl-L-Cysteine (NAC) 1,200 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
N-Acetyl-L-Cysteine (NAC) 1,200 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Hydroxypropyl Methylcellulose Safe

It is used as a coating for tablets and capsules.

Stearic acid and silicon dioxide Unknown
Brand Trust Report
NaturesPlus

Founded 1972 · Melville, New York, United States · 534 products · naturesplus.com

Transparency

3 claims
Third Party Testing Claim — Claimed
In House Testing — Claimed

Violation History

1 incident
Recall Keto Living Sugar Control Capsules2022-05-06Source
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Frequently Asked Questions
Is NaturesPlus Pro NAC 1200 Sustained Release 600 mg a good supplement?

NaturesPlus Pro NAC 1200 Sustained Release 600 mg received a product quality score of 100/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 1 active ingredients with 30 servings per container. Of the 3 inactive ingredients, 2 are rated safe and 0 are flagged for review. The manufacturer, NaturesPlus, holds a brand trust score of 58/100.

What are the ingredients in NaturesPlus Pro NAC 1200 Sustained Release 600 mg?

NaturesPlus Pro NAC 1200 Sustained Release 600 mg contains 1 active ingredients: N-Acetyl-L-Cysteine (NAC) (1,200 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is NaturesPlus Pro NAC 1200 Sustained Release 600 mg safe to take?

NaturesPlus Pro NAC 1200 Sustained Release 600 mg has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is NaturesPlus a trustworthy supplement brand?

NaturesPlus receives a brand trust score of 58/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1972 and headquartered in Melville, New York, United States, the company offers 534 products in their lineup. Note: NaturesPlus has 1 historical regulatory incident on record, which are factored into the trust score.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records — read our methodology. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.