B12 Shots at Home: How, Where & How Often to Inject Yourself AZ IV Medics 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 Goat Health How To: Injection And Drenching Hobby Farms B12 vitamin Store A Retired RN About Vitamin B12 Injections B12 vitamin Store How to Perform a Subcutaneous Injection of Vitamin B12 Common Mistakes in B12 Injections to Avoid