US$ 20.70
side effect to b12 injections Vitamin B12: Overdose and Effects Vitamin B12 Injections: Good or
Description
You only reduce injections when no further improvement to symptoms can be seen
On the other hand, the FDA says this: "Compounded drugs containing AOD-9604 may pose significant risk for immunogenicity for certain routes of administration and may have complexities with regard to peptide-related impurities and API characterization

Sometimes it is injected in other acupuncture points depending on your specific situation
2014 Jan;146(1):85-95
