US$ 28.10
b12 combination injection Vitamin Cyanocobalamin 1000 mcg Multiple-Dose Vials — Mountainside Medical Cyanocobalamin is a man Cyanocobalamin Vitamin B12 Injection 1000
Description
Store at controlled room temperature between 15 and 30C (59 - 86F)

Essential Guideline #6: Intravenous B12 Therapy Considerations For those needing quick vitamin B12, intravenous therapy is best

doi: 10.1016/j.cmet.2012.04.022

Best decision Ive ever made

Intranasal formulations of cyanocobalamin are not suitable for vitamin B12 absorption test (Schilling Test)
