Vitamin B12 & Wellness Shots in Orlando IM Injections Buy Vitamin B12 Injection at BiosenseClinic.com a Licensed Pharmacy Biosense Clinic Cyanocobalamin (B12) Injection 1000 mcg mL, Multiple Dose Vial 30 mL McGuff Cyanocobalamin injection (Vitamin B12) how to use: Uses, Dosage, Side Effects, Contraindications How to Safely Self Inject a B12 Shot Perfect for IV Med Spa Clients! , Steps to give yourself an intramuscular shot:, 1 Prep Your Supplies: If youre drawing up B12 yourself, attach a needle to IM Injections Olympia Pharmaceuticals