Blood lactate testing is a growing trend, but it only works if you know what to look for.

How can you determine the source of your exhaustion and make intervention to boost performance?

A review of almost 100 studies found iron supplements may be especially important for runners, but not in high doses.

We have clues in our blood that are easy to measure. These clues can have a major impact on our performance and long-term health.

WellnessFX allows you to get information on many health indicators without having to pay physician fees.

What does chocolate have to do with the most important fitness articles of the week? Read on to find out!

If you don’t know what’s going on inside your body, then how do you know you’re not one of those people who are healthy on the outside, but unhealthy on the inside?