B12 vitamin Store A Retired RN About Vitamin B12 Injections Best Vitamin B12 Injection Sites MedHealth 360 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 Is intramuscular (IM) administration of vitamin B12 injections preferred over subcutaneous (SC) administration? 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