How to Give a B12 Injection: Step By Step Instructions Vitamin B12 Injections in Tulsa, Oklahoma Emerge Subcutaneous (SC) and Intramuscular (IM) Injections Must Knows for Subcutaneous administration: Pinch skin with non dominant hand and hold syringe with dominant hand Always inject: 2 inches away from umbilicus (for abdomen) 3 inches Benefits of B12 Injections for Optimal Health B12 Injection sites + How to use B12 Shots Safely Administration of vaccines The Australian Immunisation Handbook