Paying attention to the glycemic index may be a positive foryour performance.

Nuun, the hydration tablets that have made sports drink so easy to mix on the go, have exciting new additions for spring. 

Curious about calories? Then you might want to check out a new text messaging service by Diet.com called “Nutrition on the Go.” 

You try to eat well, but sometimes it’s tough trying to avoid processed and refined foods. Unfortunately, additives and preservatives in these foods can build up in your body. Best way to get rid of them? An internal body cleanse. 

You may be aiming to set a new marathon PR or maybe you’re looking just to finish the course in your next marathon. Either way, your preparation for race day—namely your nutrition tactics—could be the keystone for success. The following tips may help make these your fastest 26.2 miles yet.

In her new book, Truly Cultured: Rejuvenating Taste, Health and Community with Naturally Fermented Foods, author, chef and holistic health expert Nancy Lee Bentley explains why bacteria never looked so good. 

It's not easy to understand the complex world of blood doping and the use of illegal performance-enhancing drugs. EPO, steroids, growth hormone...it's a confusing mishmash of scientific jargon--until now. Thanks to this informative article by Dr. Mac Larson, you'll sound like a pro when discussing the specifics of EPO and blood doping with your friends.

Key Points: 

• Electrolytes are vital to physiologic function and athletic performance 

• High or low levels of electrolytes are detrimental to performance and health 

• A majority of foods and beverages contain an overabundance of sodium and low potassium in relation to the standard American diet