NFS = not further specified. It's a USDA abbreviation. When the USDA created their recipe database from the USDA Continuing Survey of Food Intakes by Individuals (CSFII), they came up with the NFS code when the sample persons (SP) were unable to provide further details about a food. For example, the "Milk, NFS" code was used when SP's did not give the fat content of the milk they drank. The recipe for "Milk, NFS" then was made a composite of whole milk, 2% milk, 1% milk and skim milk in proportions that reflected milk production stats. Recipes for other NFS codes were based on composites (as with milk) or they were based on the form of food most frequently consumed in the food group in question. For example, the recipe for "Bread, NFS" was white bread.
Hope this helps!
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Fitday question. what does NFS mean?
