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Patients with Pernicious Anemia: If you have this condition, which prevents the absorption of Vitamin B12, we can guide you on the necessity and benefits of B12 injections
But a monthly 4000 mcg dose would be 4 mL, with the same concentration
Medications: acid-reflux drugs (PPIs) and some diabetes medications (such as metformin) can interfere with B12 absorption
wait a few seconds before withdrawing the needle to ensure full dose delivery
Other forms of vitamin B12, like Adenosylcobalamin and Hydroxy B12 complex, also have a better bioavailability profile and boost energy levels better than cyanocobalamin
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