Nutrition & Health

New research shows your go-to sleep supplement might not be as safe as once thought.

Before blindly following the pros and advice from nutrition brands and influencers, hear out the scientists—including the nutrition coach for both 2025 UTMB champs.

When running throws your body out of whack, how do you keep training? For two runners with hypermobile Ehlers-Danlos Syndrome, the answer was finding creative ways to keep doing the thing they love most.

From vitamin D to Coenzyme Q10, here’s what one ultramarathoner orthopedist recommends for runners who want to feel great (after checking in with your doctor, of course).

Many factors aside from hydration can affect your thirst.

Stay energized, build endurance, and recover faster with this week-long meal plan designed for marathon runners by a sports dietitian.

When it comes to taking care of your running apparel, gear, and yourself, best practices aren’t always intuitive. Here are our top tips.

Chuggable protein without the clumps? You better believe it. Clear protein is a trendy, fruity alternative to regular protein powder with less fat and carbs. A sports dietitian weighs in on the benefits and downsides, so the right choice for you is a little clearer.

A registered dietitian offers some high-quality marathon nutrition options.

While not widespread, urine pH testing can offer more data for improved endurance sport performance, just ask Killian Jornet.