Not everyone has time to sit through an IV. That is where IM (intramuscular) injections come in., Quick, efficient, and supportive for energy, metabolism, and liver health., The one I am doing today Still taking vitamin B12 injections? Move over shot. A pill may be just as good. Dr. Leslie Greenberg's Blog How to Give a B12 Injection: Step By Step Instructions Instruction Guide for Intramuscular (IM) Self injection of B12 Methylcobalamin 1mg 5mg B12 vitamin Store Vitamin B12 Injection 2000mcg 10ml Vial