dosage of vitamin b12 injections Injection Dose: 7 Guidelines for Adults B12 Injection Dose for Adults:

J Rheumatol 1984;11:211-2

Who a B12 shot actually helps A B12 injection (usually cyanocobalamin or hydroxocobalamin) treats or prevents a deficiency in a vitamin your body needs for red blood cells, nerve health and DNA repair

Vitamin B 12 is essential for DNA synthesis

A second possibility is an undiagnosed autoimmune component, where pernicious anaemia is contributing to the deficiency on top of the bariatric anatomy

While this seems counterintuitive (you might expect less side effects from weaker medication), degraded peptides with altered structures can sometimes trigger different inflammatory responses at the injection site