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A member asked:
Is 2500 mcg of vitamin b12 to much for one day for a 17 year old?
A doctor has provided 1 answer
Waste of money: B12 in excess quantities is rapidly excreted by the kidney. While this much daily probably won't hurt you, it won't help much at all. The typical daily dose for replacement of deficiency is 500mcg. Thanks for trusting HealthTap!
Answered 11/16/2015
3.4k views
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