3mL 25G x 1" BD 305787 Luer Lok Syringe with BD Eclipse Safety MedNeedles US 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 What syringe volume and needle gauge and length are appropriate for intramuscular vitamin B12 (cobalamin) injection in an adult, and what is the recommended dosing regimen? B12 Injection Kit: Syringes & Needles & Alcohol Wipes Medbasic How to Give Yourself a Shot GoodRx B12 Injection Dosage and Frequency: 7 Essential Guidelines for Adults Liv Hospital