does injectable vitamin b12 need to be refrigerated Cyanocobalamin injection 1000 mcg Multiple-Dose Vials — Mountainside Medical Vitamin B12 Injections in Sioux

Finally, if the serum cobalamin concentration at the time of reevaluation is subnormal, further work-up is required to definitively diagnose the underlying disease process and cobalamin supplementation should be continued weekly or bi-weekly (for parenteral supplementation) or daily (for oral supplementation)

Serious adverse events have not been widely reported, but this may reflect the relatively small number of people who have used the compound and the limited reporting mechanisms available

Sourander, Andre, et al

I also have recomended this injector to everyone I have met that takes testosterone shots, even my doctors