Subcutaneous Injection: What It Is and How to Give One B12 vitamin Store How to inject B12 in your arm 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 What Happens If You Inject B12 Into Fat? PA Relief How to Give Yourself a Shot (SubQ) Olympia Pharmaceuticals