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United States Department of Agriculture

Agricultural Research Service

How to get Information from NDL
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Many of your questions can be answered by looking at various parts of our Web site:

For other inquiries you can reach us by:

  • E-Mail:
  • Regular Mail:
    • Nutrient Data Laboratory
      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

Last Modified: 8/13/2016
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