drug vitamin b12 injection B-12 Injections – Well Life

Others who may not be able to tolerate dosages of vitamin B12 that are higher than what is found in most multivitamins include people who have been diagnosed with low potassium, Leber's vision loss, or atrophic gastritis, according to WebMD

Levels below 148 pmol/L are generally considered deficient, but neurological symptoms can occur with levels in the 'low-normal' range (148258 pmol/L)

Hydroxocobalamin Medicinal forms (BNF)

If you are low in B12, consider one or all 3 of the active B12 forms to ensure your cells have access to the most bioidentical forms available (hydroxocobalamin, adenosylcobalamin, methylcobalamin)