The aim is to confirm the diagnosis with the least invasive and most informative approach
(Choose the fattier or rounder part of your belly about 2 inches over from your belly button, and down about 1 inch see video below.) Using a separate sterile pad or swab, remove the outer cap from your B12 bottle, and also sterilize the bottles rubber stopper
Both are investigational, and any vial sold online under either name is a research chemical intended for in-vitro laboratory work not a medicine, and not something with an approved human dosing schedule
daily for 1 week, once a week for 1 month, and then monthly for at least 6 months
Your body needs vitamin B12 (cyanocobalamin) to break down fat and carbohydrates for energy, and to make proteins and cells
How long do B12 injections last