recommended daily allowance
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rec·om·mend·ed daily allowancealso rec·om·mend·ed dietary allowance (rĕk′ə-mĕn′dĭd)
n. Abbr. RDA
The amount of a nutrient or the amount of calories recommended for a person to consume daily, especially the amount of specific vitamins and minerals recommended by the Food and Nutrition Board of the National Academy of Sciences.