how to give b12 injection in leg Instruction Guide for Intramuscular (IM) Self-injection of Methylcobalamin 1mg/5mg How to Self-Inject Vitamin B12
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For air travel, the medication and injection supplies should be packed in carry-on luggage to maintain temperature control and prevent loss, with a letter from the healthcare provider documenting medical necessity

How quickly will I notice results

only an ointment is applied to the incisions
However, for individuals who require high doses or have difficulty absorbing the vitamin, injections may be a more practical option

doi: 10.1038/90984

With a fresh, unused syringe, pull back on the plunger to the amount you are injecting, bringing air into the syringe
