do you have to be certified to give b12 injections Vitamin for MTHFR: Injection or sublingual B12? – Methyl-Life® Supplements The Truth About B12 Injections:
Description
Administration Guide AOD-9604 is administered via subcutaneous injection, the same method used for insulin and many other peptide therapies

Sterile needles reduce the risk of contamination for safe and effective B12 injections
Daily high doses of B12 may not likely cause harm in most people, but extremely high doses should possibly be avoided unless a healthcare professional prescribes it

Brasch, Andrew McCaddon, John H.H

Cyanocobalamin Injection is typically used to treat vitamin B12 deficiency, as well as certain types of anemia

Both of these factors contribute to reduced B12 absorption from food
