how quickly do b12 injections take effect long before vitamin work how you feel after a b12 injection How Does B12 Shot Work? Does It What Is B12 Injection What's
Description
So the practical takeaway is not oral is better or SC is better. It is: pick one route, follow the documented per-dose figure for the vial you have, and keep the route constant so that whatever you observe is not confounded by a mid-stream route change

Vitamin B12 is a water-soluble vitamin , meaning any excess is usually excreted through urine rather than stored in the body

it's also about handling and overall environment

A: One booster shot takes only seconds to inject and will last you for at least a week.
