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There's really no ideal injection site
Healthy B12 levels can be sustained with monthly supplementation
Fill a couple of milliliters of air into the syringe
Gather supplies Before giving the shot, get the following items ready: an alcohol wipe a sterile gauze pad a cotton ball a bandage a puncture-resistant container to dispose of the needle the medication a new needle and syringe A doctor should provide advice on the type of needle to use
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