Discovery Health’s National Body Challenge is a FREE, comprehensive fitness and weight-loss challenge that provides the tools and inspiration – online, on television and beyond – to get in shape, shed pounds and adopt a healthier lifestyle.
When you register you'll receive FREE:
Parental consent required for anyone under the age of 18. Certain terms and conditions apply. See our Frequently Asked Questions for details.
Please consult your physician before making any changes to your diet or exercise program.