what is vitamin b12 injections for Benefits of Vitamin B12 Injections
Description
Anyone quoting you a clean 95% oral bioavailability number for humans is repeating a marketing figure, not something from the literature

In summary, monitor the injection site (if pain increases or the area gets very red, hot, and swollen, inform your doctor as that could indicate injection-site infection, which is exceedingly rare with proper technique)

A patient with B12 deficiency following Roux-en-Y gastric bypass receives D51.8 because the small intestine cannot properly absorb B12 despite adequate intrinsic factor production

Vitamin B12 is a water-soluble vitamin, also called cobalamin
