vitamin b12 injections painful injection pain relief Compounded Cyanocobalamin (Vitamin B12) Injection Vitamin B12 Injections - Vie
Description
however, most sources agree that it can cause irritation/discomfort at the site of injection

This is where having a physician in your corner is a game-changer

Diagnosis of cobalamin deficiency: II

Temporary injection site reactions, including pain, redness, or swelling, are possible
