vitamin b12 injections dosage and frequency uk Oral vs. Intramuscular in Vitamin B12 Deficiency • The Blood Project B12 Injection Dose for Adults:
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[DOI] [PMC free article] [PubMed] [Google Scholar] 37.Tangney C.C., Tang Y., Evans D.A., Morris M.C

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People following vegetarian or vegan diets may also need a more reliable source, since B12 is primarily found in animal products
This is a department that is physically on the hospitals main campus
