approached significantp = 0.08
CFF approached significant difference at post- vs pre-season testing for supplement (27.6±1.8 vs 25.7±2.2 Hz, p = 0.08, Cohen’s d = 0.44) but was not different for the placebo group (26.2±1.8 vs 26.0±1.6 Hz, p = 0.70, Cohen’s d = 0.11).