can humans use animal b12 injections Are Shots Safe? Royal Palm Beach Medical Group Vitamin B12 Injection For Cats:

For this reason, make sure to avoid vitamin B12-fortified foods that are sold or stored in clear containers or plastic bags (10)

Hydroxocobalamin does not work as a coenzyme, but passively in the blood and cell plasma, where it binds to toxic substances, like cyanide and nitric oxide, and transports them out of the body

MIC contains Methionine, Inositol and Choline

Therefore, if you have recently changed your diet, become vegan, and stopped consuming B12-rich foods, it may take several years for a deficiency to become apparent, and dietary supplementation might be an adequate solution over any need for B12 injections

Hydroxocobalamin: This is the form the NHS typically uses

ROBINS-I: a tool for assessing risk of bias in non-randomised studies of interventions