VITAMIN B12 (Generic) Injectable Solution, 1000 mcg mL, 100 mL vial Easy Refills Chewy Rx Not all shots are the same here's a guide Injections are a fast, effective way to deliver medications, nutrients, and vaccines directly into the bodybut not all injections are the Insulin Syringes 31 g x 8 mm 1 mL Ultra Fine 100 Box 328418 A Guide to Needle and Syringe Choices Is this the right size needle for im injections? : r B12_Deficiency