b12 injection medication name Cyanocobalamin 1,000 mcg / mL 1 mL Vitamin B12 Injections (Cyanocobalamin Injections)
Description
Prescription orders will be held up to 3 business days awaiting approval from your vet

A sealed pen sitting in proper refrigeration is a completely different situation from a reconstituted vial that has been punctured three times and left on a bathroom counter

People Taking Certain Medications Some commonly prescribed medications can deplete B12 over time

While it is a very small amount of cyanide that you're getting, you are getting cyanide