Vitamin B12 10 Week Injection Cycle Kit: Syringes & Needles & Alcohol Wipes only 5.22 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 Vitamin B12 Injections: Benefits, Safety & How They Work Do You Need a Prescription for B12 Injections? OmegaQuant Self injecting vitamin B12. Quick and painless jabs after a B12 by Dr Caroline Palmer Medium