Cyanocobalamin injection USP, 10,000 mcg/10 mL (1,000 mcg/mL), For IM or SC Use Only, packaged in a) 10 mL Multi-Dose Vial (NDC 0517-0032-01) and b) 25x10 mL Multi-Dose Vials (NDC 0517-0032-25), Rx Only, AMERICAN REGENT, INC., SHIRLEY, NY 11967.