25 g x 1 needle for b12 injection Dr. prescribed injections. Pharmacy only gave me vials. Where do you get your needles and syringes? What size?? Where do I inject? : r/B12_Deficiency VanishPoint Retractable Tuberculin Syringe is a type of syringe used for administering small doses of medication VanishPoint 1 ml Tuberculin Syringe