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 Cyanocobalamin (B12) Injection 1000 mcg mL, Multiple Dose Vial 30 mL McGuff How to self inject intramuscular vitamin B12 Overview Guy's and St Thomas' NHS Foundation Trust Vitamin B12 Side Effects: Risks of Excess Intake B12 vitamin Store How to inject B12 in your arm Angles of Injection Nursing: Subcutaneous, Intramuscular, Intradermal, and Intravenous, When injecting a medication or starting an IV, you'll want to pay attention to the angle of Injection to ensure