Are you feeling run down? Low Energy? A quick Vitamin B12 injection can help support energy, metabolism, and overall wellness. It delivers the vitamin directly into the muscle, allowing your body to B12 Shots at Home: How, Where & How Often to Inject Yourself AZ IV Medics How To Give A Subcutaneous Injection And Sites The HCG Institute How to Give a B12 Injection: Step By Step Instructions 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