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To give you clarity and confidence, we've gathered the most common questions we hear and provided straightforward answers, just as if you were sitting down with us in the clinic

If you have a temporary deficiency or increased requirement (say, after a surgery or during recovery from an acute illness), you might only need a short course, perhaps a few weeks of injections, until your vitamin levels normalize or you can meet your needs by mouth again

How to Open a Glass Ampoule Sometimes, B12 comes in a small, sealed glass container called an ampoule instead of a multi-use vial

Retrieved May 1, 2025, from Drugs.com database

It helps your body produce energy, keep nerve cells healthy, and contributes to red blood cell production