how to give im b12 injections Self-Inject Vitamin at Home How to self-inject intramuscular vitamin
Description
Using your thumb and index finger about 1 " apart pinch the skin, which will pull the fat away from your muscle

This is done because the vial is a vacuum and you need to add an equal amount of air to regulate the pressure

B12 injections and IV Vitamin infusions provide a convenient and effective way to boost your B12 levels

2014, pp

PMID: 93 KroemerGZitvogelL
Each 2 mg vial provides approximately 4 days of dosing at 500 mcg/day or 67 days at 300 mcg/day