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Updated 15 January 2015

How much vitamin B12 do you need?

The current recommended dietary allowance/adequate intake (RDA/AI) is 2.4 microgram per day for both men and women.

The current recommended dietary allowance/adequate intake (RDA/AI) is 2.4 microgram per day for both men and women.

Click here to view a complete list of RDA/AI values for this vitamin.

 
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