date:Aug 16, 2018
verages acts like a sponge to hold water in the body. Potassium has been less well-studied than sodium, but there is some evidence that it can also help promote water retention in the body, according to Maughan.
So athletes who sweat a lot might be better off drinking lightly sweetened beverages or drinks with electrolytes -- but not necessarily carbonated beverages.
During exercise, flat or still water is best, Majumdar said. That's because carbonation may cause bloating during physical activ