This page does not identify a published human intervention trial establishing safety, dosing, pharmacokinetics, weight-loss efficacy, or metabolic benefit
For most people, the effects last about one to two weeks, though the exact timeline shifts based on your current B12 levels, metabolism, diet, and how often you get injections
A small number of people are allergic to B12, but this is rare
Its important that you understand the right TYPE of B12 to use and where/how to inject it
The injection sites are: Thigh: This site works best if you're self-administering your own injections, or if you're giving an injection to an infant or child
So, injection is an extremely good treatment, but how often can you get a B12 shot, lets find out