where do they give b12 injections Shots vs. IV Infusions: What is the difference? Vitamin B12 Injections and Weight

Sometimes, the injected medication may actually increase pain for one or two days before improving your symptoms

It has not been shown to improve results or reduce risks in people

AOD-9604: What the Safety Data Show AOD-9604's tolerability profile is built on one Phase IIb trial plus supporting preclinical pharmacology

Disclaimer The statements in this article have not been evaluated by the Food and Drug Administration

but some of the worse skin I have seen is when I have seen people take advice from something they have seen on IG, and just gone and spent a load of money on expensive products willy-nilly, without any advice - or they use too much and it makes their skin worse

It should also be noted that there is no report of B12 toxicity