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A 18-year-old male asked:

How much of b12 vitamin is used to correct deficiency (orally)?

1 doctor answer • 3 doctors weighed in

Dr. Visalakshi Valluryanswered

Family Medicine 26 years experience

Oral B12: 2500 micrograms of sublingual B12 can correct B12 deficiency,

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Last updated Mar 1, 2016

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