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recommended dietary allowance

noun, Nutrition.
the amount of an essential nutrient, as a vitamin or mineral, that has been established by the Food and Nutrition Board of the National Academy of Sciences as adequate to meet the average daily nutritional needs of most healthy persons according to age group and sex.
Abbreviation: RDA.
Compare U.S. RDA Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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