Electrolytes are important to feeling well and to keeping a regular heart rate.
The advertising says the sports drinks replace the electrolytes in sweat, so I looked that up. The concentration of Powerade and Gatorade seem to be about half that of sweat. That is not a problem for me since I believe people need to replace their water at a faster rate than they sweat it out. Meaning that water also leaves by respiration and by urination.
Composition of Sweat
Na 0.9g/L
K 0.2 g/L
Ca 0.15 g/L
Mg 0.0013 g/L
Powerade zero has
Na 0.41g/L
K 0.0907 g/L
The chart at right gives numbers from First Endurance, who makes a sports drink give similar numbers for sweat, and argues for a salt heavy beverage.
Sweat has many other ingredients like ascorbic acid (vitamin C, chloride ion, lactate, urea, creatine and uric acid). Link
Lactate was
The article is very much interesting and based on advantages of electrolytes in sports drinks. Thank you for the sharing this article.
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