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Yet the consequences are unknown Bioavailability: there are four specific metabolic steps necessary to convert cyanocobalamin into one of the coenzyme forms, which is a clear metabolic disadvantage (3) Utilisation problems: certain hereditary diseases, as well as metabolic disorders, prevent the conversion of cyanocoalamin into the active B12 forms (4) Steals methyl groups: cyanocobalamin requires a methyl group to convert into methylcobalamin, which it takes from the important amino acid S-adenosylmethionine (SAM)
Who Faces Elevated Risk: Several populations experience heightened B12 deficiency risk
Oral supplements are inexpensive up front, but because so little of a swallowed dose is absorbed, some of what you buy is not used by your body
Because the body cannot make B12 on its own, it has to come from food (meat, fish, eggs, dairy) or from supplements
Your healthcare provider will monitor levels and adjust dosing to maintain optimal ranges without over-supplementation
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