These are some sites I recommend to clients for nutrition and health information. I hope you find them helpful!
American Diabetes Association For up to date information on Diabetes
Andrew Weil, MD For trustworthy information on health and wellness (he has several well-written books available on the topics of health, wellness and nutrition)
Calorie King For information on calories, food labels and weight loss, this is a great site
USDA My Pyramid To learn more about the dietary guidelines for Americans, including serving sizes, food groups, meal planning and more
U.S. Food and Drug Administration For a variety of information on health and wellness
FindTheBest For a thorough comparison of popular diet plans
FindTheBest For a comparison on energy drinks