Category Archives for Vitamin D RDA

What Is The RDA Of Vitamin D?

“RDA” stands for “recommended dietary allowance.”

​In the United States, for an adult with, or under, 70 years of age, the recommended dietary allowance (RDA) for vitamin D is 600 IU. If you are over 70, the RDA for vitamin D is set at 800 IU. (1)

However, if you look at a bottle of a bestselling vitamin D supplement, you’ll most likely find a much larger number like 5,000 or 10,000 IU.

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