How To Give Yourself Vitamin B12 Shots (with video!) Vitamin B12 is an essential vitamin for adrenal balance and maintaining a healthy nervous system. Continue watching as Emily Kauffeld, MSN, APRN, FNP C, NP C, a nurse practitioner in the Wellness Small businesses supporting small businesses , Stopped by to give the owner of @eternalfitnessleland a B12 injection ahead of our upcoming collaboration and his reaction says it all , B12 What Happens If You Inject B12 Wrong: 6 Red Flags Vitamin B 12 intramuscular injections are also used therapeutically to help restore energy and combat various symptoms related to such deficiencies. Vitamin B 12 is essential to the development of healthy blood cells, nerve