b12 injection site bruising Best Vitamin Site: Administering B12 Shots Has anyone ever gotten bruised
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But some might feel pain at the injection site, mild diarrhea, or itching
That's typical of life, of course

This is why a professional evaluation is required before starting injections

It is irresponsible and can lead patients with low B12 to lifelong nerve damage
Cyanocobalamin Drugs