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What Affects How Quickly B12 Works Several factors influence the speed and effectiveness of B12 treatment, making individual responses highly variable
Presented for research literature review only Agarwal AK et al
This injection is typically prescribed to potentially prevent or treat deficiencies of these B vitamins and to support patients with conditions like malabsorption, increased metabolic demand, or recovery from illness where oral vitamin intake is insufficient
BioMed Research International , 2012, 418085
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