Vitamin B12 10 Week Injection Cycle Kit: Syringes & Needles & Alcohol Wipes only 5.22 Amazon.com: Ulove Prs 12 Pack 1ml Industrial Syringes with 25Ga 1 Inch Needle, Plastic Disposable Syringe and needle for Scientific Labs, Liquids Refilling and Measuring : Industrial & Scientific Syringes are selected based on dose, accuracy and route of administration. Insulin syringes (U 40 U 100) are used for subcutaneous insulin delivery, tuberculin syringes for precise intradermal How to give insulin shots Stead Family Children's Hospital 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