US$ 23.61
b12 injection for fibromyalgia Vitamin Injection: Energy Boost and Anemia Treatment — Mountainside Medical Compounded Methylcobalamin (Vitamin B12) Injection,
Description
Complementary Services: We offer additional treatments that can work synergistically with B12 injections, such as IV therapy and recovery massages

New England Journal of Medicine, 381(26), 2541-2551

Most protocols begin with 1-2 injections weekly for 4-8 weeks
Nirmala for obtaining all clearances to conduct the study at Hosahalli Referral Hospital, Bangalore, India

Yes- it says one month