Review: Gnarly Hydrate

After strenuous activity on hot summer days, there’s only one thing better than cold water—and that’s cold water with electrolytes and B-vitamins. Enter Gnarly Hydrate, a healthier, less-sugary option than many popular exercise drinks. Just dump a scoop or two into your water bottle, stir, and swig—before or during exercise, to stay energized and focused; or after, to feel restored. The stuff even tastes good, too—goodbye, over-sweetened Gatorade.

Available online. $26.