b12 injection benefit Shots for Weight Loss: What You Need to Know B12 Injections | Vitamin B12

Not intended to diagnose, treat, cure, or prevent any disease or condition

The 20-30 hour half-life means the peptide still distributes systemically regardless of site, so any local-only effect is partial at best

StatPearls [Internet]

[DOI] [PMC free article] [PubMed] [Google Scholar] Andres 2008 Andres E, Vogel T, Federici L, Zimmer J, Kaltenbach G

For people who already have enough B12, their red blood cells are already working properly, and the body simply gets rid of any extra B12 it doesnt need

Its important to take the entire course of the antibiotic as prescribed, and to avoid any substance which might affect its efficacy