b12 injections need a prescription Vitamin (Cyanocobalamin Injections) — Mountainside Medical B12 Shots Phoenix | Arcadia,
Description
Active Constituents: Each mL contains 2000 g hydroxocobalamin (Vitamin B12)

You can inject these medications on your own at home or in your doctors office

[10] Or perhaps a better way to phrase that would be that there are many downsides to not maintaining healthy levels of vitamin B12, as deficiency can lead to a range of health problems, including neurological and blood disorders

No drug-related abnormalities in clinical pathology parameters were identified
