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Avoid self-dosing or altering dosages without professional guidance
Starting it too late, or after bleeding has begun, significantly reduces its effectiveness
Long-term human safety data does not yet exist
A B12 injections effect can last anywhere from a couple of weeks to a few months, and the difference comes down to why you are deficient, how well your body holds on to B12, and the dose and schedule you are on
Due to its vague nature, I feel like Im dying isnt an incredibly helpful way to explain a set of symptoms to your doctor
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