Grade: A

LOW RISK

Fourfive

Item: Fourfive
Rating: 85
Author: SupplementChecker

Fourfive is a sports nutrition brand known for its Informed Sport certification, which ensures that every batch of their products is tested for banned substances. Despite lacking visible GMP certification, the brand claims to undergo third-party testing, adding a layer of quality control to their manufacturing process. With a clean FDA record, having received no warning letters, recalls, or significant adverse event reports, Fourfive presents a relatively low-risk profile for consumers.

Fourfive Trust Summary

Trust Score: 85/100 (Very Good)
Grade: A
Risk Level: LOW
Third-Party Tested: Yes (Informed Sport)
FDA Recalls: 0
Adverse Events: 0

Fourfive has a trust score of 85/100 (Very Good). The brand is third-party tested by Informed Sport, has no FDA recalls on record and no adverse event reports.

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Red Flags

⚠No GMP certification visible

Verified Strengths

✓Informed Sport certified — every batch tested
✓Claims third-party testing
✓Clean FDA record — no warnings, recalls, or significant adverse events

Certifications

Informed SportThird-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 Fourfive Third-Party Tested?

Yes — Fourfive is Informed Sport certified. This means an independent laboratory has verified that the products' contents, purity, and potency match their label claims.

Is Fourfive a Good Brand?

Fourfive scores 85/100 (A) — this is an above-average score indicating a trustworthy brand. Fourfive has a clean FDA record with no warnings or recalls. The brand holds third-party certifications (Informed Sport certified), which is a strong quality indicator.

About Fourfive

Fourfive is a supplement brand in the dietary supplement industry. With a trust score of 85/100 (Grade A), Fourfive demonstrates strong safety practices and regulatory compliance.

Product Specialization

Fourfive focuses on Sports Nutrition supplements. Their product line is designed to meet specific health and wellness needs within these categories, offering targeted nutritional support for various consumer goals.

Testing & Certifications Explained

Fourfive is Informed Sport certified, meaning every batch is tested for banned substances by LGC's world-class sports anti-doping laboratory. This program provides assurance to competitive athletes that products are safer to use and compliant with WADA regulations.

How Fourfive Compares

In the broader supplement industry, Fourfive competes with both specialized and general nutrition brands. Their trust score of 85/100 demonstrates competitive safety practices compared to industry leaders who typically maintain higher third-party certification standards and cleaner regulatory records.

Buying Guidance

Based on Fourfive's high trust score and third-party certifications, their products represent a reliable choice for safety-conscious consumers. Consider purchasing from verified retailers and check for batch-specific lab results when available.

Frequently Asked Questions

Has Fourfive had any recalls?

No — as of 2026, Fourfive has zero FDA product recalls on record. They maintain a clean FDA record with no warning letters or significant adverse event reports. Fourfive received a trust score of 85/100 from SupplementChecker.

Are Fourfive supplements third-party tested?

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

Is Fourfive safe?

Fourfive received a trust score of 85/100 (grade: A, 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.

Is Fourfive a good brand?

Fourfive scores 85/100, which is an A grade — this is above average and indicates a trustworthy brand. They hold third-party certifications (Informed Sport certified), which is a strong indicator of product quality. No FDA warnings or recalls found.

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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: 4/4/2026.

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Quick Facts

Trust Score: 85/100
Grade: A
Risk Level: LOW
Third-Party Tested: Yes
FDA Recalls: 0
Adverse Reports: 0