US$ 25.54
is there more than one type of injectably vitamin b12 Cyanocobalamin Injection 1000 mcg — Mountainside Medical Hydroxocobalamin Injection: Vitamin B12 for
Description
Vitamin B12 supports the bodys ability to convert food into usable energy by aiding in the production of red blood cells and supporting oxygen transport throughout the body

Or has the color changed since you started using this vial

Circulation 120, 16401645
Most side effects are mild, localized, and transient