Gatorade claims its alkaline water will hydrate you into peak performance, but it's just pricey H2O bolstered by clever marketing. Save yourself a few bucks and drink the stuff from the tap instead.

Alkaline water is fast becoming the latest health drink, and proponents are touting its miraculous abilities to cure, repair, rejuvenate, hydrate, beautify, help with weight loss, cure cancer, clarify ...