“Total sprint times … faster after sodium phosphate … caffeine supplementation compared with placebo (Set 1: P = 0.003; Set 2: d = −0.51; Set 3: P < 0.001; overall: P = 0.020), caffeine (Set 3: P = 0.004; overall: P = 0.033) and sodium phosphate (Set 3: d = −0.67).”