too much vitamin b12 injections side effects Injection and Safety Side Effects of Vitamin B12
Description
Chakrabarti, P

It is done under general anesthesia

A 1ml syringe is often sufficient for typical B12 doses
This is the main reason why celebrities like Charlize Theron, Justin Timberlake and even Madonna are getting vitamin B12 injections regularly

B12 occurs naturally in meats, dairy, fish, and other animal products