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) : How To Give Yourself an Intramuscular Injection IV Me Now FL Cyanocobalamin (b12) Injection 2,000 mcg mL 30mL Conquer Pharma Intrav My Store Treating Severe Vitamin B12 Deficiency B12 IM Injection Subcutaneous vs intramuscular what's the difference? #vitamintherapy #theb12store #injection