methylcobalmin tablet,injection Health Vision Vitamin B12 injections deliver high doses of this essential vitamin directly into your bloodstream for better absorption than oral supplements to boost energy, support red blood cell production and maintain nerve function. What are Vitamin B12 injections Vitamin B12 injections are used to quickly raise your B12 levels when they're low or when your body can't absorb it properly from food or tablets. What Still taking vitamin B12 injections? Move over shot. A pill may be just as good. Dr. Leslie Greenberg's Blog B12 Injections vs Pills Invigor Medical Vitamin b12 injections I'm regularly asked whats the point in having them? Vitamin b12 is formally found in the foods we eat but studies show a large number of adults