First things first: The best hydration powders won't work if you're not drinking enough fluid. They are, however, performance enhancing, and (anecdotally) have a synergistic effect when taken, say, ...

Add Yahoo as a preferred source to see more of our stories on Google. The American College of Sports Medicine (ACSM) recommends a sodium intake of 300 to 600 milligrams per hour for endurance athletes ...

Taylor Leamey wrote about all things wellness for CNET, specializing in mental health, sleep and nutrition coverage. She has invested hundreds of hours into studying and researching sleep and holds a ...

All products featured on GQ are independently selected by GQ editors. However, when you buy something through our retail links, Condé Nast may earn an affiliate commission. First things first: The ...