vitamin b12 injections in buttocks How to Use These 4 IM Injection Spots Safely Vitamin B12 Injections: Hot Shots?
Description
Your ability to absorb vitamin B12 depends if you have enough of a protein called intrinsic factor (IF) in your stomach

"Hydroxocobalamin 1mg in 1ml solution for injection - Summary of Product Characteristics (SPC) - (eMC)"
Withdraw the needle at the same angle it was inserted

A medical consultation can help decide which option fits your symptoms, daily habits, and health background
