is there a loading phase for vitamin b12 injection Shot Guide: Benefits, Dosage & Side Effects Best Vitamin B12 Injection Site:
Description
I have self injected upper arms for the last three or so years now,Ive did hundreds of injections and the only time I feel pain is if Im lucky enough to have a nurses appointment,other than that I feel totally in control of any pain risks and although I admit I still hate doing them its not because its painful its just needle phobia in my case

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[PubMed Citation] Shepherd G, Velez LI

Inject slowly and steadily
