Iron

More athletes than ever are coming up short in iron. These foods can help get your levels up.

This blood marker is a warning sign that your body may be dangerously low in iron.

Bored stiff of whole wheat pasta and brown rice? These globetrotting grains — including one from Ethiopia — are ready to take your training diet up a notch.

If you're an athlete, take note of these nutrients to ensure you're getting enough.

If you're feeling constantly fatigued, tired throughout the day, or frequently experiencing the onset of mid-run weakness, it may be your low ferritin levels. Here's what to do.

Elyse Kopecky shares an iron-rich snack recipe.

Here are best sources of iron are for runners.

This mineral can make or break your running, but it’s hard to get enough. Here’s why—and what to do about it.

Endurance athletes need iron for healthy functioning. What are your optimal iron levels? And how can you make the most of the iron you get?

It's so trendy, but rightfully so—spinach is a great addition to pretty much any meal for so many reasons.

Bison is low in fat and sugar but packed with protein—everything a runner's diet needs.

Every female runner should be getting enough of these 4 essential nutrients.

What you put in your body may do more harm than good. Here is everything that you need to know about six common supplements.