Q:

Where do you inject vitamin B12?

A:

Quick Answer

Cyanocobalamin, or manmade vitamin B12, is best injected in a muscle or under the skin. The amount of injections a person requires will be determined by a doctor.

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Full Answer

Vitamin B12 injections are used to treat or prevent a lack of B12 that may be caused by infection, medications or diseases. People who follow a strict vegan or vegetarian lifestyle may also suffer from a lack of B12.

The National Institutes of Health warn that B12 may cause side effects such as muscle weakness or pain, diarrhea, coughing, dizziness, headache or red skin. Patients receiving regular B12 injections should contact their doctor if side effects become troublesome or severe.

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