Types of injections explained! Understanding the angles: intramuscular (im) : injects deep into the muscle at 90. subcutaneous (sc) : goes under the skin at 45. intravenous (iv) : Is intramuscular (IM) administration of vitamin B12 injections preferred over subcutaneous (SC) administration? Compounded Vitamin B Complex Injection Empower Pharmacy Common Injections Cheat Sheet Save for Ward Rounds! Insulin Diabetes Subcut 0.51 unit kg Vitamin B12 Deficiency Neuropathy IM 1001000 mcg Tetanus Toxoid Vitamin B D B12 Injections Near Ne Wilmington Urgent Care Clinic Wilmington Urgent Care And Family Clinic