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Roll the vial gently for one to two minutes
Darin N, Reid E, Prunetti L, Samuelsson L, Husain RA, Wilson M, et al
According to a study published in PubMed Central (National Institutes of Health), intravenous administration of vitamin B12 provides a faster increase in B12 levels compared to oral supplementation, making it a potentially better option for patients with severe deficiency
Most patients return to normal activities immediately
Oral supplements may be sufficient if: You have a mild deficiency detected in a blood test
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