RDA
Americanabbreviation
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Recommended Daily or Dietary Amount or Allowance
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(in England) Regional Development Agency
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Shrubsole emphasized that magnesium intake in the study matched RDA guidelines and suggested that diet is the best way to increase magnesium levels.
From Science Daily • Dec. 30, 2025
A year later, Guinea secured its independence by voting "No" and Sékou Touré, Guinea's RDA leader, became the nation's first president.
From BBC • Jan. 6, 2025
Most multivitamins contain 2.4 micrograms, the RDA for adults, but some people may need more, experts say.
From Washington Post • Jun. 19, 2022
Sometimes you just need your RDA of veggies to come in a jar.
From Salon • Sep. 22, 2021
However, many users of vitamin C take 100 -200 times the RDA.
From How and When to Be Your Own Doctor by Solomon, Steve
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
