Conditions such as pernicious anemia, which affects the absorption of B12, may also warrant coverage, as well as certain chemotherapy treatments that necessitate B12 supplementation
oral therapy suits dietary deficiency without nerve involvement
Reach your care team with questions about dosing, side effects, or your progress
Importantly, folic acid should not be given alone before B12 deficiency is excluded or treated, as this can mask anaemia while allowing neurological damage to progress
1 2 "Cobalamin coenzyme forms are not likely to be superior to cyano- and hydroxyl-cobalamin in prevention or treatment of cobalamin deficiency"
Some practitioners suggest methylcobalamin for certain conditions, though robust comparative trials are lacking