why do we have b12 injections Vitamin Injections: What You Need To Know Vitamin B12 Injections - Vie

(GP-diagnosed, serum level below 150 pmol/L): Three injections over the first two weeks, then 1000mcg every two to three months

Why Shots Are Given In The Shoulder And Why Pain After Vaccination Occurs Most vaccines are injected into muscles because the tissue contains substantial immune cells that will recognize the antigen in the vaccine and mount a response

Crohns disease, an autoimmune disease, can also result in B12 deficiency

Patients should also be aware that certain medicationssuch as proton pump inhibitors (PPIs) and metformincan interfere with B12 absorption, though this is less relevant once on injection therapy