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DOCUMENT RESUME~
Ob544 - I-31946965]
.Recomoe::Aed Dietary Allowances. July 10, IS78. 12 pp.
restiwcny before the hczue Committee on Science and Tecbnclogy:
Domestic and International Scientific Planning, Analysis and
Cooperaticn Subcommittee; by Henry Esobwege, Director, Community
nd Economic Development Div.
conxtact: Community and Economic Develcpment Div.
Organization Concerned: National Research Council: Food and
Nutrition Board; National Academy of Sciences; Department of
Health, Education, and Welfare.
conqressional Relevance: House Ccmmittee on Science and
Technoloqy: Domestic and Internat.oanal ¢' 4tifiC Planning,
Analysis and Cooperation SubconitteF.
recommended Dietary Allowances (B r.; lev is of
essential nutrients considered to be adeqi- , uet the known
nutritional needs of most -lersons. Tic. a- Llisked and
updated by the National AcAdemy CI Scienc-r . ') Food and
Nutrition Board. RDAs have been criticized xoz thiv following:
they are based oh limited data; they overstate th4 needs cf most
individuals; they are limited to needz- ¢f healthv ieople; and
they do not cover all the essential nutrients. Most of tkese
criticisms reflect limited scientific krcy2edg* or
misunazestandinqs of the purpuse of bDAs. 1he higr, levels are
ertaiished to cover variations in human needs and tc ccver the
needs of most healthy individuals. BDAs are used iu planning
diets tcr qrups, nutritional surveys, nutriticnal education,
establishinq guidelines for labeling, and in rEsearch-Eelated
activities. Comparizons with nutritional guidelines esta£1ishel
in other countries revealed differences it, dietary
recommendations resulting from variaticrs in people and
lifestyles and differences of scientific opinicn. RLAs are
establishcd through a reasonable prccess and serve their
intended purpose. Additional research is needed to expand
knowledge concerning nutrient requirements. The NAS should
identify these reeds and establish pricrities relating tc human
nutritionai requirements. Also, mre seaningful food planning
and food choice quides for the consumer should Le develcied.
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