recommendation injection site for vitamin b12 Where to Inject Places for Intramuscular Injection: 4

You may notice the effects of the local anesthetic within minutes to a few hours after your procedure, offering prompt but temporary relief

WJS carried out some of the original experiments described

[DOI] [PMC free article] [PubMed] [Google Scholar] 42.Imai S, Kiess W

They are not approved for human or veterinary use

extra B12 is excreted if levels are normal Weight Loss: little evidence B12 shots cause weight loss Mood: helps if mood issues come from deficiency but not a standalone depression treatment The key takeaway is that B12's benefits come from correcting a deficiency, not supplying extra boosts to healthy individuals