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This isnt practical for individuals who suffer from chronic B12 deficiency or frequently deplete the entirety of their B12 stores
Injectable B12 has few direct drug interactions, but certain medications can interfere with B12 absorption or measurement: Chloramphenicol: This antibiotic may antagonise the haematological response to B12 in some patients, potentially preventing the expected rise in red blood cell count
Isabelle Raymond, PhD
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