US$ 21.63
b12 1000 injection monthly dose Cyanocobalamin (B12) mcg/mL, Multiple Vial 30 mL Vitamin B12 Injection Dose for
Description
Comparative studies between intramuscular and subcutaneous administration are lacking

It is not a drug, dietary supplement, or product intended for human or animal consumption.

And perhaps that is not so surprising

Difficulty concentrating and impaired memory: These may indicate a Vitamin B12 deficiency, which can also lead to mental health issues like depression and behavioral changes
