How to self inject intramuscular vitamin B12 Overview Guy's and St Thomas' NHS Foundation Trust 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 How to Give a Subcutaneous Injection Market St Medical Vitamin B D B12 Injections Near Ne Wilmington Urgent Care Clinic Wilmington Urgent Care And Family Clinic