Treating Severe Vitamin B12 Deficiency B12 IM Injection How to Administer an Intramuscular Injection at Home Vitamin B12 Monthly Injection Dose: Typical Dosages & Administration Methods Liv Hospital Not all shots are the same here's a guide Injections are a fast, effective way to deliver medications, nutrients, and vaccines directly into the bodybut not all injections are the like, swipe, and save for when it's your turn to do an injection on a patient Intramuscular (IM) Angle: 90 Needle Size: 2225G, 11.5 inch Med Examples: Vaccines (e.g. Tdap, Administering a Intramuscular B12 Injection : 5 Steps Instructables