B12 Shots at Home: How, Where & How Often to Inject Yourself AZ IV Medics B 12 (Methylcobalamin) Therapy MedClub by Dr Jenn IM Injections Revive at The Group Med Spa 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 How to Give a B12 Injection: Step By Step Instructions How to Give a B12 Injection: Step By Step Instructions