where is vitamin b12 injection given How to self-inject intramuscular - Overview B12 Injections | Vitamin B12

Because it is cheaper to produce, it can be made in a laboratory and added to most vitamins and dietary supplements. Cyanocobalamin has a cyanide donor, a substance that is not intended to be used in the body

I am convinced it had to do with the shot, but can't say why it happened or how to prevent it

The liver is the main organ for vitamin B 12 storage

Chang: Correct angle of entry : Use a 90-degree angle for intramuscular (IM) injections and a 45-degree angle for subcutaneous (SC) injections

inspect for discolouration or particles (note that B12 solution is normally red) Prepare the injection site common sites include the thigh (vastus lateralis) for both IM and SC injections, or the ventrogluteal area for IM administration if trained to use this site Administration technique: Clean the injection site with an alcohol wipe and allow to dry completely