Learn where to self-administer a B12 shot and how to do it painlessly This article was medically reviewed by Shari Forschen, NP, MA and by wikiHow staff writer, Amber Crain
However, the rate at which the B12 is released can be a little slower meaning that if you need B12 quickly, injections will be the better option
Insider's takeaway Vitamin B12 injections are for those with a severe B12 deficiency or conditions that prevent their body from effectively absorbing the vitamin, Moreno says
While our certified nurse injector can help individuals with vitamin B12 deficiency or specific health conditions, its always recommended to consult your primary healthcare provider before starting any supplementation regimen
If oral supplements are not sufficient or absorption is compromised, periodic B12 injections may be recommended by our healthcare providers