How to self inject intramuscular vitamin B12 Overview Guy's and St Thomas' NHS Foundation Trust Subcutaneous injecting WithYou How SubQ Injections Like B12 and NAD+ Fit Your Routine Olympia Pharmaceuticals Optimal B12 Injection Sites for Maximum Absorption and Benefits Your Health Magazine Subcutaneous injection technique HOW TO GIVE A SUBCUTANEOUS INJECTION Make sure the skin clean, dry, and without wounds Injection sites Position the syringe dominant hand Gather mound of skin between hngers Insert