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b12 self injections video How to Self-Inject Vitamin at Home Treating Severe Vitamin B12 Deficiency
Description
Anyone with a known cobalt or cobalamin allergy

Pull the plunger back to the line that matches your dose, then press the needle through the stopper and push that same amount of air into the vial
By adjusting the dose and watching how patients do, doctors can help them safely and effectively
Lv, X.-C., Guo, W.-L., Li, L., Yu, X.-D

Can I take B12 injections every week

Which one is better