how to inject yourself with a b12 shot Give How to Give Yourself Intramuscular
Description
Normally no, apart from an achy muscle at the injection site, which normally does not last for more than an hour or so
No serious adverse events have been widely reported in the literature, but long-term safety is still being evaluated
These help to quickly build up stores of the vitamin
The active ingredient in Vitamin B12 injections is cyanocobalamin
