RESN
RESN has a SupplementChecker trust score of 85/100, which is a Grade A and indicates a low risk level. RESN claims third-party testing and is certified by Informed Sport, meaning every batch is tested. This suggests RESN is likely a good brand for consumers seeking safer sports nutrition products.
RESN 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
RESN 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
Third-party testing means an independent laboratory has verified this product's contents, purity, and potency match what's on the label.
FDA Record
Clean record — no FDA warnings, recalls, or significant adverse events.
Is RESN Third-Party Tested?
Yes — RESN is Informed Sport certified. This means an independent laboratory has verified that the products' contents, purity, and potency match their label claims.
Is RESN a Good Brand?
RESN scores 85/100 (A) — this is an above-average score indicating a trustworthy brand. RESN 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 RESN
RESN is a sports nutrition brand operating independently in the US. The company's founding date is unknown. RESN focuses on providing supplements for athletes and fitness enthusiasts.
Product Specialization
RESN specializes in the sports nutrition category. While specific product types are not detailed, the brand likely offers a range of supplements such as protein powders, pre-workouts, and performance enhancers.
Testing & Certifications Explained
RESN's Informed Sport certification is a significant indicator of product safety and quality. Informed Sport tests every batch of product for banned substances, providing assurance to athletes and other consumers that the supplements are free from contaminants that could lead to positive drug tests or health risks. This rigorous testing process enhances consumer confidence in the brand.
How RESN Compares
Compared to brands like Transparent Labs (trust score 92/100, third-party tested and publishes lab results) and Klean Athlete (trust score 88/100, NSF Certified for Sport), RESN holds a competitive position with its 85/100 score. While Transparent Labs offers greater transparency with published lab results, RESN's Informed Sport certification provides a strong foundation of trust. Many brands do not have any certifications, making RESN stand out.
Buying Guidance
Given RESN's high trust score and Informed Sport certification, it is a reasonable choice for consumers seeking third-party tested supplements. Purchase RESN products from reputable retailers or directly from the brand's website to ensure authenticity. Always verify the Informed Sport logo on the product packaging to confirm certification.
Frequently Asked Questions
Has RESN had any recalls?
Are RESN supplements third-party tested?
Is RESN safe?
Is RESN a good brand?
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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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- Trust Score
- 85/100
- Grade
- A
- Risk Level
- LOW
- Third-Party Tested
- Yes
- FDA Recalls
- 0
- Adverse Reports
- 0