How to Self Administer Subcutaneous & Intramuscular Injections Ivy Grove Surgery : Self administration of B12 injection Mecobalyn PFS zucipharma 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 Vitamin B12 Injection Dose: 7 Key Guidelines for Safe and Effective Treatment Liv Hospital How to self administer subcutaneous B12 injection. 1. Withdraw proper dosage from vial into an insulin syringe 2. Clean site of injection (abdomen or other proper site) 3. Pinch the skin where