Wow guys, you've been gate keeping!! Got my first B12 injection last week and it's like I am awake for the first time since having kids 20 years ago It's Vitamin B12 Injections in Oakland, CA FACE How to self inject intramuscular vitamin B12 Overview Guy's and St Thomas' NHS Foundation Trust 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 you How to Give Yourself a B12 Injection ThinWorks