Grade: B+

LOW RISK

Mercier International

Item: Mercier International
Rating: 75
Author: SupplementChecker

Mercier International has a SupplementChecker.co trust score of 75/100, earning a grade of B+ and a LOW risk designation. Mercier International claims to offer third-party tested supplements, but does not publish lab results. While the brand has a clean FDA record, it lacks visible GMP certification, which is a common industry standard.

Mercier International Trust Summary

Trust Score: 75/100 (Good)
Grade: B+
Risk Level: LOW
Third-Party Tested: Yes (self-reported)
FDA Recalls: 0
Adverse Events: 0

Mercier International has a trust score of 75/100 (Good). The brand is claims third-party testing (self-reported), has no FDA recalls on record and no adverse event reports.

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Red Flags

⚠No GMP certification visible

Verified Strengths

✓Claims third-party testing
✓Clean FDA record — no warnings, recalls, or significant adverse events

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.

FDA Record

FDA Warning Letters

Recalls

Adverse Reports

Clean record — no FDA warnings, recalls, or significant adverse events.

Is Mercier International Third-Party Tested?

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

Is Mercier International a Good Brand?

Mercier International scores 75/100 (B+) — this is an average score. There may be room for improvement in testing transparency or certifications. Mercier International has a clean FDA record with no warnings or recalls. The brand holds third-party certifications (Third-party tested), which is a strong quality indicator.

About Mercier International

Mercier International is a US-based company offering supplements in the herbal and vitamin categories. The founding date of Mercier International is unknown. The company operates independently and is not part of a larger parent organization.

Product Specialization

Mercier International specializes in herbal and vitamin supplements. While specific product lines are not detailed, the brand likely offers a range of common vitamins and herbal remedies.

Testing & Certifications Explained

Mercier International claims that its products are third-party tested, but does not provide specific certifications or publish lab results. This means that while the company asserts independent verification of its products, there is no publicly available evidence to confirm the scope or rigor of this testing. Consumers must rely on the brand's claim without independent confirmation. SupplementChecker.co was unable to verify if Mercier International is third-party tested.

How Mercier International Compares

Compared to competitors like Nature Made (trust score 82/100, USP verified) and NOW Foods (trust score 85/100, multiple certifications), Mercier International's trust score of 75/100 is lower. These competitors often have verifiable third-party certifications and greater transparency. Another competitor, Puritan's Pride (trust score 68/100), has a lower trust score and also lacks visible certifications, similar to Mercier International.

Buying Guidance

Consumers interested in Mercier International products should carefully consider the brand's trust score and lack of verifiable certifications. Purchase from reputable retailers to ensure product authenticity. Look for batch numbers and expiration dates, and consider contacting Mercier International directly to request more information about their third-party testing procedures.

Frequently Asked Questions

Has Mercier International had any recalls?

No — as of 2026, Mercier International has zero FDA product recalls on record. They maintain a clean FDA record with no warning letters or significant adverse event reports. Mercier International received a trust score of 75/100 from SupplementChecker.

Are Mercier International supplements third-party tested?

Yes — Mercier International 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 Mercier International safe?

Mercier International received a trust score of 75/100 (grade: B+, risk level: LOW). This score is calculated from FDA records, third-party certifications, adverse event reports, and transparency practices. No FDA warnings or recalls are on record.

Grade A+ • Higher score

Want more comparisons? Browse our supplement categories or check our buying guides.

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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Quick Facts

Trust Score: 75/100
Grade: B+
Risk Level: LOW
Third-Party Tested: Yes
FDA Recalls: 0
Adverse Reports: 0

⚠ No GMP certification visible