Many of your questions can be answered by looking at various parts of our Web site:

• Responses to frequently asked questions (FAQ's). 
• Links to various Food Composition and Nutrition Resources available on the Internet.
• Use our online search program to look up the nutrient content of a particular food.

For other inquiries you can reach us by:

• E-Mail:  ndlinfo@ars.usda.gov (general questions)
             ndlapps@ars.usda.gov (questions about search programs/applications)
• Regular Mail:
  • Nutrient Data Laboratory
    USDA-ARS
    10300 Baltimore Avenue
    Building 005, Room 107, BARC-West
    Beltsville, MD 20705-2350 
• Phone:  301-504-0630
• FAX:  301-504-0632

General nutrition and food questions, not related to food composition, can be answered by the Food and Nutrition Information Center at USDA's National Agricultural Library or by e-mail