From: Sodium supplementation has no effect on endurance performance during a cycling time-trial in cool conditions: a randomised cross-over trial
Performance variables
Placebo
Sodium
P
Overall time (min)
172.3 ± 23.3
171.3 ± 23.5
0.46
Uphill time (min)
118.4 ± 18.4
118.7 ± 19.0
0.98
Mean heart rate (beats.min-1)
157.1 ± 9.2
158.0 ± 9.2
0.86