is a b12 injection im How to Give Injection: Step-By-Step Instructions B12 Shots vs. IV Infusions:
Description
I also finally got my GI workup which included endoscopy/colonoscopy and biopsies and everything was normal

Most patients get reduced pain lasting 2-4 months

Treatment of Vitamin B12 Deficiency Thirty mcg daily for 5 to 10 days followed by 100 to 200 mcg monthly injected intramuscularly

You can immediately return to your regular activities with no downtime required

Materials and results Thirty subjects with low serum concentrations of cobalamin participated in the study

[DOI] [PMC free article] [PubMed] [Google Scholar] 43.Lin J., Chen H., Luo L., Lai Y., Xie W., Kee K
