Resource Summary

Clinical Question:
In patients with Vitamin B12 deficiency^ is oral Vitamin B12 as effective as intramuscular (IM) Vitamin B12?

Oral Vitamin B12 is as effective as IM in most B12 deficient patients. A dose of 1000mcg (1mg) orally a day appears adequate and most commonly recommended.

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Publication Date: 2013-9-9
Last Updated on PCR: 2017-03-31 16:59:40