Grade: B+

LOW RISK

Kerr Bros. Limited

Item: Kerr Bros. Limited
Rating: 75
Author: SupplementChecker

Kerr Bros. Limited has a SupplementChecker.co trust score of 75/100, earning a grade of B+ and a LOW risk level. Kerr Bros. Limited claims to conduct third-party testing, though specific certifications are not declared. With a clean FDA record, Kerr Bros. Limited presents a mixed profile regarding trustworthiness.

Kerr Bros. Limited Trust Summary

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

Kerr Bros. Limited 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 Kerr Bros. Limited Third-Party Tested?

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

Is Kerr Bros. Limited a Good Brand?

Kerr Bros. Limited scores 75/100 (B+) — this is an average score. There may be room for improvement in testing transparency or certifications. Kerr Bros. Limited 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 Kerr Bros. Limited

Kerr Bros. Limited is a US-based supplement company operating independently. The founding date of Kerr Bros. Limited is unknown. They develop and market various supplements in the specialty category.

Product Specialization

Kerr Bros. Limited specializes in the specialty supplement category. Specific product types are not widely known.

Testing & Certifications Explained

Kerr Bros. Limited claims that their products are third-party tested, but they do not specify which third-party certifications they use. This means that while they assert independent verification of their products, there's no way for consumers to independently verify these claims. Consumers should seek clarification from Kerr Bros. Limited regarding their testing protocols to assess the validity of their claims that Kerr Bros. Limited is third-party tested.

How Kerr Bros. Limited Compares

In the specialty supplement category, brands like NutraBio (trust score 92/100, Informed Sport certified) and Klean Athlete (trust score 88/100, NSF Certified for Sport) demonstrate higher levels of transparency and third-party validation. These competitors offer verifiable certifications, providing consumers with greater assurance of product quality and safety. Garden of Life (trust score 70/100, NSF Certified Gluten-Free) has a similar trust score to Kerr Bros. Limited but has more visible certifications.

Buying Guidance

Consumers should exercise caution when purchasing Kerr Bros. Limited products. Verify the third-party testing claims by contacting the company directly and requesting detailed information about their testing protocols. Purchase from reputable retailers to ensure product authenticity.

Frequently Asked Questions

Has Kerr Bros. Limited had any recalls?

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

Are Kerr Bros. Limited supplements third-party tested?

Yes — Kerr Bros. Limited 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 Kerr Bros. Limited safe?

Kerr Bros. Limited 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