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NutriCology Cat's Claw supplement bottle
NutriCology

Cat's Claw Review

What We Researched
1 active ingredient analyzed · 3 inactive ingredients decoded · 4 brand certifications checked · Page generated: Sep 2026
100
Product Score Excellent
99
Brand Score Excellent

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
Cat’s Claw (inner bark) extract 1.13 g †
Bioavailability Excellent

Absorption Rating

  • Cat’s Claw (inner bark) extract Good
Other Ingredients Excellent

Fillers & Additives

  • Hydroxypropyl Methylcellulose
  • Microcrystalline Cellulose
  • L-Leucine
Efficacy N/A

Dosage Analysis

Dosage data not available for assessment.

Supplement Facts

Ingredient Amount % Daily Value
Cat’s Claw (inner bark) extract 1.13 g †

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Hydroxypropyl Methylcellulose Safe

It is used as a coating for tablets and capsules.

Microcrystalline Cellulose Safe

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

L-Leucine Safe

It is included for its potential muscle-building and recovery benefits.

Brand Trust Report
NutriCology

Founded 1979 · Salt Lake City, UT, USA · 317 products · nutricology.com/

Certifications

4 certifications
Consumerlab Source available Primary evidence
Fda Gmp Inspections Source available Primary evidence
Nsf Gmp Source available Primary evidence
NSF Certified Supporting evidence unavailable

Transparency

5 claims
Third Party Testing Claim — Verified Evidence available Evidence
Coa Availability — Verified Evidence available Evidence
Testing Lab Disclosure — Claimed Evidence available Evidence
In House Testing — Verified Evidence available Evidence

Violation History

4 incidents
Prop 65 Lead2011-07-19 Source available Primary source
Prop 65 Lead2011-01-14 Source available Primary source
Lawsuit Failure to provide clear and reasonable warnings regarding exposure to lead in various supplement products.2011 Source available Primary source
Lawsuit Details not fully available in search results.2006 Source available Primary source
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Frequently Asked Questions
Is NutriCology Cat's Claw a good supplement?

NutriCology Cat's Claw 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. All 3 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, NutriCology, holds a brand trust score of 99/100.

What are the ingredients in NutriCology Cat's Claw?

NutriCology Cat's Claw contains 1 active ingredients: Cat’s Claw (inner bark) extract (1.13 g). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is NutriCology Cat's Claw safe to take?

GoodSupp reviewed the inactive-ingredient data available for NutriCology Cat's Claw. All 3 inactive ingredients — including capsule materials, fillers, and binders — are currently classified as safe in GoodSupp's ingredient reference data. This label analysis cannot determine whether the product is safe for a particular person, and source labels may change. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is NutriCology a trustworthy supplement brand?

NutriCology receives a brand trust score of 99/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1979 and headquartered in Salt Lake City, UT, USA, the company offers 317 products in their lineup. Note: NutriCology has 4 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 — 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.