how to give an injection of b12 Yourself a The Benefits of Vitamin B12

Precautions Prior to taking vitamin B12, tell the physician that you have: A cold or an allergy that affects your nasal cavity and the signs you develop A kidney disease A liver disease Any kind of infection An iron deficiency A folic acid deficiency An allergy to vitamin B12 or cobalt A lebers disease as cyanocobalamin can trigger optical nerve damage and blindness A pregnancy, a plan to get pregnant or a breastfeeding baby.

If you feel like your diet and exercise program needs a boost to help increase its effectiveness, B-12 injections may just provide that boost

Co-authored by Lauren Baker, DVM, PhD This article was co-authored by Lauren Baker, DVM, PhD

Last reviewed: Jan 2020.