Recommended Daily Allowance


Popular name for the Recommended Dietary Allowance (RDA).

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  • Recommended Dietary Allowance

    The RDA, the estimated amount of a nutrient (or calories) per day considered necessary for the maintenance of good health by the Food and Nutrition Board of the National Research Council/ National Academy of Sciences. The RDA is updated periodically to reflect new knowledge. It is popularly called the Recommended Daily Allowance.

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    Having to do with the rectum, the last 6 to 8 inches of the large intestine that serves to store solid waste until it leaves the body through the anus. The word “rectal” comes from the Latin “rectus” meaning “straight” (which the human rectum is not).

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