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if it specifies oral/sublingual, the same per-dose amount is the reference point, delivered by that route instead of a syringe
It is contraindicated in people with cardiovascular disease, uncontrolled hypertension, or a history of drug misuse, and must not be taken with monoamine oxidase inhibitors (MAOIs) due to the risk of hypertensive crisis
The injection is subcutaneous
The initial loading dose phase is crucial here, providing that quick surge of B12 to help address the neurological effects
Doctors may recommend vitamin B12 injections to treat vitamin B12 deficiencies
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