Upper arm: This site is best for young or middle-aged adults
Insert the needle into the ampoule or vial: For vials, inject air equal to the dose to ease withdrawal
[19] Other than that, though, B12 injections are considered to be quite safe, so try not to worry about doing it "wrong." As long as you wash your hands, work in a sterile environment, and inject into the proper site using the correct technique, you'll do great.Thanks Tips Store vitamin B12 injection medication at room temperature, away from moisture, heat, and light
[10] This draws air into the syringe which prevents a vacuum from forming when you push the plunger in the next step
Syringe and two needles : One (often purple/red) for drawing up the dose