You may have heard that sea-level-dwelling endurance athletes head to the mountains during training season to gain a competitive edge. This is because a body primed to race at grueling altitudes is one that can perform more easily at more forgiving, sea-level ones. Been wondering how to safely train at altitude? Doing so requires much more preparation and planning than a simple trip to the mountains and logging miles. Here are some considerations and calculations you should make before taking ...

Did you know that every two seconds someone in the United States needs blood? In the time it took you to read these two sentences, at least two people have received a blood transfusion. The numbers are staggering, and the need for blood donation is not only constant, but it’s also critical. Since blood is at the core of our business, and January is National Blood Donor Month, we thought you might like to know how blood donation affects your biomarkers.

  I believe in and practice a methodical approach to athletic performance. I control what I can control, and have faith in myself, my training, my body, and my craft. I believe in inspirational athletic feats and heightened states of athletic performance. I know these states exist and they are almost impossible to duplicate or explain. How do you explain what it means to be in “the zone”? It’s obvious to anyone watching when an athlete is in “the zone.” The athlete moves freely and ...

Is your energy low? Don’t just chalk it up as “one of those weeks”—you might be deficient in certain nutrients! Fatigue is a common complaint for many individuals, and it becomes more common with age. Fortunately, there are plenty of simple ways to boost your energy levels, but you need to find out what’s going on inside of your body first. Here are five blood biomarkers associated with energy levels. 

If you want to become faster, stronger, and more flexible, you need to pay attention to the food that you eat. Optimal nutrition is the key to peak performance on and off the field, because food provides essential nutrients to build and maintain a strong body. “Biomechanical changes take time and persistence, but changes in diet can be made quickly and can have an immediate effect on how your body works,” says US Olympic triathlete.

  Did you know that iron plays an important role in ensuring wellness and optimizing physical performance? If your levels of iron are low, you may feel fatigued and run down; if you have too much iron, your levels of triglycerides and LDL cholesterol may increase. To find out exactly what your iron levels are, sign up for an InsideTracker plan. If your iron levels are out-of-range, InsideTracker will give you suggestions for diet, exercise, supplement and lifestyle changes to help you optimize ...