In 1961 the Food and Nutrition Board of the National Research Council and the AMA Council on Foods and Nutrition presented a joint statement of policy entitled "General Policy on Addition of Specific Nutrients to Foods."1The present statement supercedes that earlier communication.
The recommended dietary allowances (RDA),2 first developed in 1943 by the Food and Nutrition Board of the National Research Council, specify levels of nutrient intake designed for the maintenance of good nutrition of practically all healthy people in the United States. The recommendations have been revised as new data on nutritional needs accrued. Ideally, adequate amounts of the nutrients for which RDA are specified and of the other essential nutrients will be provided by the foods commonly available to the general public.
The availability and low cost of nutrients produced industrially and the advances in food technology have enhanced the potential for the improvement of
Improvement of Nutritive Quality of Foods. JAMA. 1968;205(12):868-869. doi:10.1001/jama.1968.03140380072017