does vitamin b12 injection need to be refrigerated Store Storage Instructions for Injectable B12 Cyanocobalamin Sublingual B12 vs. B12 Injections:
Description
According to Optum Perks, injectable vitamin B12, also called Cyanocobalamin (Dodex), costs about $6 to $15 out of pocket per vial, depending on the pharmacy and whether you use coupons

The serum B12 levels of included subjects were measured in this study and none were abnormal at baseline

& Simoneau, J

Short-term handling at room temperature during active laboratory use is generally acceptable, but frozen storage is recommended between research sessions to preserve peptide integrity

It helps avoid going back to a deficiency
