Dr. prescribed B12 injections. Pharmacy only gave me vials. Where do you get your needles and syringes? What size?? Where do I inject? : r B12_Deficiency A Guide to Needle and Syringe Choices 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 Choosing the Right Needle and Syringe for B12 Injections: A Complete Guide At Home Vitamin B12 4 Week Injection Package MUST BE A FLORIDA RESID CardioMender, MD