b12 injection effect time vitamin Mean Plasma Concentration time profile of total vitamin B12 after How Long Does Vitamin B12

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Because injections do not rely on stomach acid or intrinsic factor, a much larger and more reliable share of the dose reaches your bloodstream, even when gut absorption is poor

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While lipo B12 injections are very safe for most people, its best to consult a doctor before starting injections, especially if you: Have a personal or family history of autoimmune disorders Have methylmalonic acidemia or other B12-related genetic disorders Are you pregnant or breastfeeding Have kidney disease or liver disease Have leukaemia or other blood disorders Have had allergic reactions to B12 supplements before In these cases, your doctor can determine if injections are suitable or an alternative treatment is better