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Thorne Berberine supplement bottle
Thorne

Berberine Review

What We Researched
· 2 inactive ingredients decoded · 10 brand certifications checked · Page generated: Sep 2026
65
Product Score Fair
98
Brand Score Excellent

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

Product Analysis

Transparency Fair

Supplement Facts

No supplement facts data available.

Bioavailability N/A

Absorption Rating

No ingredient forms matched our reference database.

Other Ingredients Excellent

Fillers & Additives

  • Hypromellose (Derived from Cellulose) Capsule
  • Calcium Laurate
Efficacy N/A

Dosage Analysis

Dosage data not available for assessment.

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Hypromellose (Derived from Cellulose) Capsule Safe

It is used to encapsulate supplement ingredients.

Calcium Laurate Generally_safe

It helps to bind ingredients together and prevent separation.

Brand Trust Report
Thorne

Founded 1984 · New York, NY, United States · 204 products · thorne.com

Certifications

10 certifications
Nsf Certified For Sport Source available Primary evidence
Nsf Gmp Source available Primary evidence
Fda Gmp Inspections Source available Primary evidence
NSF Certified for Sport Supporting evidence unavailable
NSF Contents Certified Supporting evidence unavailable
Informed Choice Supporting evidence unavailable
Informed Sport Supporting evidence unavailable
Eurofins Certified Supplement Supporting evidence unavailable
Eurofins Clean Sport Supporting evidence unavailable
NSF Certified Supporting evidence unavailable

Transparency

4 claims
Third Party Testing Claim — Verified Evidence available Evidence
Testing Lab Disclosure — Verified Evidence available Evidence
In House Testing — Verified Evidence available Evidence

Violation History

2 incidents
Recall Captomer, Captomer-2502014-06-12 Source available Primary source
Prop 65 Lead2013-12-13 Source available Primary source
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Frequently Asked Questions
Is Thorne Berberine a good supplement?

Thorne Berberine received a product quality score of 65/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. with 30 servings per container. All 2 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Thorne, holds a brand trust score of 98/100.

Is Thorne Berberine safe to take?

GoodSupp reviewed the inactive-ingredient data available for Thorne Berberine. All 2 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 Thorne a trustworthy supplement brand?

Thorne receives a brand trust score of 98/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1984 and headquartered in New York, NY, United States, the company offers 204 products in their lineup. Note: Thorne 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 — 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.