Or just a fizzy mineral tablet.
Certainly more environmentally friendly and a lot cheaper.
I seem to remember a study that compared various sports drinks against more run-of-the-mill ones. It turned out that the most effective generally available drink to take after exercise to restore your electrolytes quickly is cows milk. All the trendy sports drinks tested were no better than supermarket fruit squash or tap water.
Biting the hand that feeds IT
