Grade: D

HIGH RISK

Duvernois

Item: Duvernois
Rating: 45
Author: SupplementChecker

Duvernois has a Trust Score of 45/100, which is a Grade D, indicating a HIGH risk level. While Duvernois claims to offer third-party tested supplements, no specific certifications are visible. Consumers should be aware of a past Duvernois recall when considering this brand.

Duvernois Trust Summary

Trust Score: 45/100 (Below Average)
Grade: D
Risk Level: HIGH
Third-Party Tested: Yes (self-reported)
Recalls: 1
Adverse Events: 0

Duvernois has a trust score of 45/100 (Below Average). The brand is claims third-party testing (self-reported), has 1 Health Canada recall on record and no adverse event reports.

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Red Flags

⚠1 product recall(s) on record
⚠No GMP certification visible

Verified Strengths

✓Claims third-party testing

Certifications

Third-Party Tested

Third-party testing means an independent laboratory has verified this product's contents, purity, and potency match what's on the label.

Regulatory Record

FDA Warning Letters

Recalls

Adverse Reports

Recall History

Recalled by Health Canada Aug 18, 2020

Désinfectant pour les mains à base d'éthanol 70% (2020-08-19)

Is Duvernois Third-Party Tested?

Yes — Duvernois is Third-party tested. This means an independent laboratory has verified that the products' contents, purity, and potency match their label claims.

Is Duvernois a Good Brand?

Duvernois scores 45/100 (D) — this is a below-average score. We recommend considering brands with third-party certifications like NSF or USP. Note: 1 product recall(s) are on record, which impacts the overall trust assessment. The brand holds third-party certifications (Third-party tested), which is a strong quality indicator.

About Duvernois

Duvernois is a US-based supplement brand operating independently. The founding date of Duvernois is unknown. They offer products in the herbal supplement category.

Product Specialization

Duvernois specializes in herbal supplements. Specific product types are not detailed, but the brand focuses on providing herbal remedies.

Testing & Certifications Explained

Duvernois claims third-party testing, but does not specify which third-party certifications they hold. Without a named certification, it's difficult for consumers to verify the quality and safety of Duvernois products. Recognized third-party certifications provide assurance that products have been independently tested for contaminants and accurate ingredient labeling.

How Duvernois Compares

Compared to other brands in the herbal supplement category, Duvernois's Trust Score of 45/100 is relatively low. For example, competitor brands like Gaia Herbs (Trust Score 78/100) and Herb Pharm (Trust Score 65/100) have higher scores and often hold recognized third-party certifications. These competitors may offer greater transparency and assurance of product quality.

Buying Guidance

Given the Duvernois trust score and the presence of a recall, consumers should exercise caution. If considering Duvernois products, verify any available third-party testing information and consult with a healthcare professional. Purchase from reputable retailers to ensure product authenticity.

Frequently Asked Questions

Has Duvernois had any recalls?

Yes — as of 2026, Duvernois has 1 Health Canada product recall(s) on record. Duvernois received a trust score of 45/100 from SupplementChecker.

Are Duvernois supplements third-party tested?

Yes — Duvernois supplements are third-party tested. They hold the following certifications: third-party tested (self-reported). Third-party testing means an independent lab has verified the product's contents, purity, and potency match the label claims.

Is Duvernois safe?

Duvernois received a trust score of 45/100 (grade: D, risk level: HIGH). This score is calculated from regulatory records (FDA and Health Canada), third-party certifications, adverse event reports, and transparency practices. Note: 1 product recall(s) are on record.

Is Duvernois a good brand?

Duvernois scores 45/100 (grade: D) — this is below average. We recommend looking for brands with third-party certifications like NSF or USP. They hold third-party certifications (Third-party tested), which is a strong indicator of product quality. Note: 1 recall(s) are on record.

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How We Calculated This Score

Every brand starts with a baseline score of 70/100.

Points added for: Third-party certifications (NSF +15, USP +15, Informed Sport +10), publishing lab results (+10), clean regulatory record (+10), 10+ years in business (+10), organic certification (+5).

Points deducted for: FDA warning letters (-25), product recalls (-20), high adverse events (-15), no third-party testing (-15), proprietary blends (-10), no GMP (-10).

Score is capped at 0-100. Grade and risk level are derived from the final score.

All data sourced from FDA.gov, Health Canada (LNHPD / recalls-rappels), NSF.org, USP.org, and publicly available brand information. Last updated: 4/9/2026.

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