Choosing the Right Needle and Syringe for B12 Injections: A Complete Guide Vitamin B12 10 Week Injection Cycle Kit: Syringes & Needles & Alcohol Wipes only 5.22 BD 309582 Syringe with Needle 3cc Luer Lock Disposable 25G x 1" Sterile, Single Use Syringe for Precision Intramuscular Injections, 100 BX, 8 BX CS CIA Medical B12 Injections East Valley Urology Center of Arizona VanishPoint 29 Gauge x 5 16 inch Retractable Insulin Syringe with Needle 1 mL, Regular Wall, 100 Box 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