Doping

But do they work to improve endurance performance? The evidence, so far, is mixed.

Here’s the DL on the muscle builder.

Check out Chris Foster's author page.

How some sports nutrition companies are dropping serious cash to ensure you get only what’s on the label.

Does the fact that very few triathletes have been popped for using Performance Enhancing Drugs mean that it's not a problem in the sport?

He confirms desire to race again, but Oprah confession alone won't earn him the privilege.