Xendurance
Xendurance is a supplement brand known for its endurance, recovery, and electrolyte products, operating independently since 2005. The brand holds an Informed Sport certification, indicating that every batch of their products is tested for banned substances, but lacks visible GMP certification. With a clean FDA record, having received no warning letters, recalls, or significant adverse event reports, Xendurance presents a favorable profile for consumers concerned about regulatory compliance.
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
FDA Record
Clean record — no FDA warnings, recalls, or significant adverse events.
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 FDA 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, NSF.org, USP.org, and publicly available brand information. Last updated: 3/20/2026.
Quick Facts
- Trust Score
- 95/100
- Grade
- A+
- Risk Level
- LOW
- Third-Party Tested
- Yes
- FDA Recalls
- 0
- Adverse Reports
- 0
- Founded
- 2005