b12 injections botched Shots Side Effects And How To Treat Them Why Am I So Tired?
Description
[DOI] [PMC free article] [PubMed] [Google Scholar] Singh N.K., Chung S., Sveiven M., Hall D.A

Whether you need a short-term series of injections to correct a deficiency or a long-term maintenance plan for ongoing wellness, the goal is to find that perfect rhythm for you

Could I still be low on B12

Higher doses or repeat treatments should only be given on a veterinarians recommendation
Yes, B12 shots for hangovers can be effective