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If using a vial : Wipe the rubber stopper with an alcohol swab
Once its in, push the plunger to let the air out of the syringe, then pull it back the same amount to fill the barrel with the solution
Hold the skin tight at the injection site and insert the needle at a 90-degree angle
If your doctor feels you're a good candidate for vitamin B12 injections, they'll give you a prescription for a certain dosage
For people with a B12 deficiency, injections are often prescribed because they allow for better absorption than oral supplements
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US$ 28.06
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