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What the Research Shows This comprehensive physiological review examines intrinsic factor production, structure, function, and its critical role in vitamin B12 metabolism
Presented for research literature review only Burgess ER 4th et al
Intramuscular Whether given intramuscularly (IM) or subcutaneously (SQ), the goal of B12 injections is to bypass the digestive system when stomach absorption of B12 is impaired
It does not provide a basis for administration to humans or animals.
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