Best Vitamin B12 Injection Sites MedHealth 360 B12 Injections at Home Safety Guide for Self Administration Infusion For Health How to Give a B12 Injection: Step By Step Instructions 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 Oral vs. Intramuscular Vitamin B12 in Vitamin B12 Deficiency The Blood Project