Sleep and Reaction-Time Outcomes
Magnesium L-Threonate in NCAA Division I Athletes
A single-site, randomized, double-blind, placebo-controlled trial comparing 1 g of magnesium L-threonate compound nightly with rice-flour placebo for four weeks.
- Primary Outcome
- +0.7 min
- Deep and slow-wave sleep at Week 4
- MgT vs placebo · 95% CI −6.0 to 7.3 · p = .844 · n = 75
- No evidence of benefit
- Prespecified Secondary Outcome
- 52.3 ms
- Greater reduction in RIW Challenge response latency
- MgT vs placebo · 95% CI 22.7 to 81.9 · p < .001
- Prespecified Secondary Outcome
- 34.2 ms
- Greater reduction in Speed Tap response latency
- MgT vs placebo · 95% CI 8.2 to 60.2 · p = .010
- Reaction-Time Sample
- 107 athletes · MgT 53, placebo 54
- Intervention
- 1 g MgT compound nightly
- Duration
- 4 weeks
- Monitoring
- WHOOP plus pre/post testing
