US$ 24.63
injection vitamin b12 cyanocobalamin 500 mcg (Vitamin Complex) — Mountainside Medical vitamin b12 1000mg injection Vitamin
Description
503A Pharmacies Traditional Compounding About Prepare customized medications based on a patient-specific prescription

[11] Use is not recommended in those who are allergic to cobalt or have Leber's disease

Injections cost more per dose because there is a charge for the medical service and the pharmaceutical-grade vitamin, but more of what you pay for is actually absorbed
Consistent dosing is important for neurological recovery and blood health
