can anyone give b12 injections Best Vitamin Injection Sites The Truth About B12 Injections:

Unless you have specific reasons to try alternatives, GHK-Cu remains the standard

[2] Patients should contact their GP if they experience: Side effects from B12 injections (though these are rare and usually mild) Difficulty attending scheduled injection appointments, as missed doses may lead to symptom recurrence New symptoms developing during treatment Concerns about treatment effectiveness or duration Changes in other medications that might affect B12 absorption Suspected adverse reactions to B12 treatment can be reported through the MHRA Yellow Card scheme (yellowcard.mhra.gov.uk)

I'm not vegan, why would I need a B12 shot

It is no different than getting a flu shot

Then, they get shots weekly for four weeks, and then less often

Many people feel increased energy within hours