Xendurance
Xendurance has a SupplementChecker trust score of 95/100, which is an A+ grade, indicating a LOW risk level. Xendurance claims to use third-party testing and is certified by Informed Sport, with every batch tested. This suggests that Xendurance is a good brand for athletes looking for tested supplements.
Xendurance Trust Summary
- Trust Score
- 95/100 (Excellent)
- Grade
- A+
- Risk Level
- LOW
- Third-Party Tested
- Yes (Informed Sport)
- FDA Recalls
- 0
- Adverse Events
- 0
- Years in Business
- 21 years
Xendurance has a trust score of 95/100 (Excellent). The brand is third-party tested by Informed Sport, has no FDA recalls on record and no adverse event reports and has been in business for 21 years.
Where to Buy Xendurance
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Red Flags
- ⚠No GMP certification visible
Verified Strengths
- ✓Informed Sport certified — every batch tested
- ✓Claims third-party testing
- ✓Established brand — operating since 2005 (21 years)
- ✓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 Xendurance Third-Party Tested?
Yes — Xendurance is Informed Sport certified. This means an independent laboratory has verified that the products' contents, purity, and potency match their label claims.
Is Xendurance a Good Brand?
Xendurance scores 95/100 (A+) — this is an above-average score indicating a trustworthy brand. Xendurance 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 Xendurance
Xendurance is an independent supplement brand founded in 2005. The company focuses on developing and marketing sports nutrition products aimed at improving athletic performance and recovery. With 21 years in business, Xendurance has established itself as a recognizable brand in the endurance sports market.
Product Specialization
Xendurance specializes in supplements for endurance athletes, recovery, and electrolyte balance. Their product line includes energy gels, protein powders, and electrolyte tablets designed to support athletes during intense training and competition.
Testing & Certifications Explained
Xendurance is certified by Informed Sport. This means that every batch of Xendurance products is tested for banned substances by a third-party laboratory. This certification is important for athletes who need to ensure that the supplements they are taking are safe and compliant with anti-doping regulations. Informed Sport certification provides a high level of assurance for consumers.
How Xendurance Compares
Compared to brands like Klean Athlete (trust score 92/100, NSF Certified for Sport) and Garden of Life (trust score 88/100, NSF Certified for Sport), Xendurance holds a competitive position with a trust score of 95/100 and Informed Sport certification. While all three brands focus on quality, Xendurance's consistent batch testing through Informed Sport provides a strong selling point. Other competitors include GU Energy Labs, which does not have the same level of third-party certification.
Buying Guidance
Given Xendurance's high trust score and Informed Sport certification, it is a reasonable choice for athletes seeking tested supplements. Purchase Xendurance products from reputable retailers or directly from the Xendurance website to ensure authenticity. Always verify the Informed Sport logo on the product packaging.
Frequently Asked Questions
Has Xendurance had any recalls?
Are Xendurance supplements third-party tested?
Is Xendurance safe?
Is Xendurance 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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See the best third-party tested supplements →Quick Facts
- Trust Score
- 95/100
- Grade
- A+
- Risk Level
- LOW
- Third-Party Tested
- Yes
- FDA Recalls
- 0
- Adverse Reports
- 0
- Founded
- 2005