Food Safety.gov
This website is a gateway to the latest information on food safety from the farm to the table. Check this site for the latest alerts from the U.S. government.
Nutrition.gov
The U.S. Department of Agriculture provides easy access to information on food and human nutrition. It has a link to mypyramid.gov which can help you formulate a healthy meal plan for either an adult or child.
United States Department of Agriculture Nutrient Database
The U.S. Department of Agriculture allows you to find in depth information about the nutritional composition of a particular item from its authoritative Nutrient Database.