do you inject b12 in butt tissue Vitamin Injection Sites: All Need to Know Best Vitamin B12 Injection Site:

Other symptoms of vitamin B12 deficiency Other symptoms of the condition are listed by Bupa as: Feeling very tired Breathlessness even after a little exercise Heart palpitations Headaches A reduced appetite A sore mouth and tongue The health organisation adds: If you have vitamin B12-deficiency anaemia, you may also look pale or jaundiced (have a yellowy tinge to your skin and the whites of your eyes)

It helps in the production of myelin, the protective sheath that surrounds nerves

Proton pump inhibitors reduce gastric acid production, which impairs the release of food-bound B12 but has less effect on synthetic B12 in supplements

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Using medication significantly past expiration is inadvisable