how much b12 is in the injection Vitamin Injections Vitamin B12 Injections in Murrells

PMID 3722679

* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 m filter before use

Today however, the shot barely hurt but half an hour later I got a shooting pain down my arm and around my elbow, its now spread into my armpit but it doesnt really go down to my wrist its mainly upper arm and armpit but its slightly creeping into my neck and shoulder

Supplies needed for injecting Vitamin B12 and B-Complex 23-25 gauge needle, 1- 1 length for Intramuscular Injection Your healthcare professional will instruct per your body type and injection location