can b12 injection give you diarrhea Doctor explains clinical signs of Vitamin (cobalamin) deficiency Do vitamin B12 injections cause

insert the needle at 4590 into subcutaneous tissue [12] [13]

When shots make sense (and when they don't) Injections are the right call in specific situations: confirmed severe deficiency, pernicious anemia (where intrinsic factor is absent), or documented malabsorption that has failed to respond to oral supplementation

These functions are particularly important during periods of increased physical or mental demand

This decline can impair physical function and mobility

Not sure which vitamin shot is right for you

It is a common vitamin deficiency and is the most common cause of megaloblastic anemia in the United States