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Do not let anyone else take your medication
Once B12 levels improve and you are no longer deficient, your treatment may be switched to supplements
Specific volumes, target concentrations, and dose calculations cited in non-clinical or informal sources are not derived from authoritative data and may be inaccurate, unsafe, or based on products of unknown quality and purity
Serious Reactions That Require Medical Attention Whilst most reactions to B12 injections are mild, certain symptoms indicate potentially serious complications requiring prompt medical assessment
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