Do B12 Injections Hurt? Painful Shots No More PA Relief How to self inject intramuscular vitamin B12 Overview Guy's and St Thomas' NHS Foundation Trust Subcutaneous Injection: What It Is and How to Give One Needle Injection Techniques Every Nurse Should Know! Whether you're prepping for your NCLEX or brushing up on your skills, here's a quick breakdown of the most common injection routes you'll encounter Is It Okay To Use A B12 Injection With Insulin Syringes? 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