electrolytes

Replacing lost salt is a pillar of sports nutrition, but new research suggests more isn’t always better

Charge up your running to prevent everything from muscle cramps to brain drain.

It's not just about what fluids you're drinking, but when. Learn the proper way to hydrate and get the most out of your workouts.

Plus how to know whether you're getting enough—or too much—sodium?

While many runners focus on replenishing electrolytes like sodium after long runs, magnesium is just as important to your running performance.

A refreshing post-run recipe from nutrition coach, chef, and two-time New York Times best-selling author Elyse Kopecky.

Best-selling cookbook author Elyse Kopecky explains why what you eat is just as important as what you drink when it comes to proper hydration.

These three factors suggest that older athletes need to be a bit more diligent with their hydration practices.

Check out Marni Sumbal's author page.

One running dips into the salty stuff, from supplementation, to how much you need, to where that post-run salt layer comes from.

Not sure which bottle to buy in the vitamin aisle? We’ve got the skinny on the supplements you should take—and the ones to avoid.

Check out Jessica Sebor's author page.