How To Give B12 Injection + Benefits Not all shots are the same here's a guide Injections are a fast, effective way to deliver medications, nutrients, and vaccines directly into the bodybut not all injections are the 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 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