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 CYANOCOBALAMIN INJECTION, USP 30000 mcg 30 mL (1000 mcg mL) 30 mL VIAL Cyanocobalamin (B12) Injection 1000 mcg mL, Multiple Dose Vial 1 mL, 25 Tray How To Give Yourself an Intramuscular Injection IV Me Now FL