US$ 20.54
vitamin b12 injection medication at a Licensed Pharmacy This prescription form of Cyanocobalamin has 1000 mcg/m Cyanocobalamin Injection, 1000 mcg/mL 1mL
Description
Also what worked only is working for you

It's like day 4 since he took it

Daily injections of 12mg for rapid correction of significant deficiency, then weekly maintenance

The amount of vitamin B12 you may need each day will vary depending on your age

He will determine if you can benefit from these shots and advise accordingly

doi:10.1001/jamaoto.2021.4470