Urolithin A in Elite Runners: Recovery Signal, No Performance Proof
Can urolithin A improve elite running performance? The first RCT found recovery signals but no significant gain in VO2max, respiration, or 3000 m time.
Keto for Endurance: Better Fat Burning, Tougher Race Pace
Can keto help endurance athletes? Reviews find dramatically higher fat oxidation, but cycling trials show an oxygen-cost penalty at race pace and safety gaps.