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Before starting Vitamin B12 injection, it is crucial to discuss all your medical conditions, past and present, and all medications you are taking with your doctor or pharmacist
The body regulates B12 absorption through intrinsic factor, a protein produced in the stomach that binds to B12 and facilitates its uptake in the terminal ileum
The most useful safety step is not memorizing a side effect list, it is a real evaluation, where your specific risks, any medications you take, and the right precautions are reviewed so the plan is effective and safe rather than left to guesswork
These are a phenomenally bad idea and unfortunately theyre largely dispensed by people with zero medical training and even less knowledge of how the human body works
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