What are the recommended dietary allowances (RDAs) for vitamin A?

Updated: Dec 26, 2017
  • Author: Mark Rosenbloom, MD, MBA; Chief Editor: Michael A Miller, MD  more...
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Answer

Because the body can make use of both preformed vitamin A and provitamin A carotenoids that it converts into vitamin A (retinol), and these substances have different bioactivity levels, the recommended dietary allowances (RDAs) for vitamin A are given as mcg of retinol activity equivalents (RAE). The RDAs for vitamin A are as follows [5] :

  • Males (>14 y) - 900 mcg RAE

  • Females (>14 y) - 700 mcg RAE

  • Pregnancy (14-18 y) - 750 mcg RAE

  • Pregnancy (19-50 y) - 770 mcg RAE

  • Lactation (14-18 y) - 1200 mcg RAE

  • Lactation (19-50 y) - 1300 mcg RAE


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