USDA Databases physician assistant 10 years ago Resources: Nutrient Database Calorie Reference National Agricultural Library, Agricultural Research Service, U.S. Department of Agriculture. Sharing is caring... Click to share on Facebook (Opens in new window) Facebook Click to share on LinkedIn (Opens in new window) LinkedIn Click to share on X (Opens in new window) X Click to share on Pinterest (Opens in new window) Pinterest Click to email a link to a friend (Opens in new window) Email More Click to share on Reddit (Opens in new window) Reddit Click to share on Tumblr (Opens in new window) Tumblr