how often do you have to have b12 injections Vitamin Deficiency: Signs & When Get a B12 Shot How Often Should You Have

Simultaneously, innovations in injection devices and formulations continue to make injectable methods more user-friendly and less invasive

Most patients schedule their next shot before the previous one fully wears off to keep B12 levels steady

[12] For most people with dietary insufficiency, oral supplementation is effective, as even in the absence of intrinsic factor, approximately 1% of B12 can be absorbed through passive diffusion

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This includes people with pernicious anemia, a condition where the body lacks intrinsic factors, making it impossible to absorb B12 from food

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