Luminous B12 Injections What is a B12 injection A B12 injection is a form of supplementation where vitamin B12 is administered directly into the muscle or under the skin, bypassing 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 Benefits of B12 Injections Clinic Poster Etsy B12 Shots for Energy: Do They Work, Who Needs Them & What to Expect Greenwich Medical Spa