Metabolic Maintenance NAC, 600 mg, 60 Capsules supplement bottle
Metabolic Maintenance

NAC, 600 mg, 60 Capsules

What We Researched
1 active ingredient analyzed · 1 inactive ingredient decoded · 2 retailers compared · Last updated: Mar 2026
100
Product Score Excellent
68
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
N-Acetyl-L-Cysteine 600 mg *
Bioavailability Excellent

Absorption Rating

  • N-Acetyl-L-Cysteine Good
Other Ingredients Excellent

Fillers & Additives

  • Vegetarian Cellulose Capsule
Efficacy Excellent

Dosage Analysis

  • N-Acetyl-L-Cysteine 600 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
N-Acetyl-L-Cysteine 600 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Vegetarian Cellulose Capsule Safe

It provides a vegetarian-friendly way to deliver the supplement.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$34$33$32$31$30 Mar 12 $32.00
iHerb

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Metabolic Maintenance

Founded 1984 · Sisters, Oregon, United States · 67 products · allergyresearchgroup.com/metabolic-maintenance

Transparency

3 claims
Third Party Testing Claim — Verified Source
Testing Lab Disclosure — Claimed Source

Violation History

2 incidents
Prop 65 Lead2011-07-19Source
Lawsuit Failure to provide clear and reasonable warnings about exposure to lead in various supplement products.2011Source
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Frequently Asked Questions
Is Metabolic Maintenance NAC, 600 mg a good supplement?

Metabolic Maintenance NAC, 600 mg, 60 Capsules 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 All 1 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Metabolic Maintenance, holds a brand trust score of 68/100.

What are the ingredients in Metabolic Maintenance NAC, 600 mg?

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

Is Metabolic Maintenance NAC, 600 mg safe to take?

Metabolic Maintenance NAC, 600 mg, 60 Capsules has been analyzed for ingredient safety across all its components. All 1 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Metabolic Maintenance a trustworthy supplement brand?

Metabolic Maintenance receives a brand trust score of 68/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1984 and headquartered in Sisters, Oregon, United States, the company offers 67 products in their lineup. Note: Metabolic Maintenance has 2 historical regulatory incidents 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. 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.