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 Goat Health How To: Injection And Drenching Hobby Farms How to Give B12 Injections at Home to Yourself PA Relief How to Give Yourself A Subcutaneous Injection How to Give a Subcutaneous Shot: Care Instructions Best Vitamin B12 Injection Sites: Where to Inject B12 PA Relief