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Description
I know there are quite a few variables with oral bioavailability, but assuming taken fasted,

At Elevate, we use methylcobalamin paired with methylfolate, guided by a functional medicine lens

It is also retained longer in tissues than cyanocobalamin
Researchers should note that AOD 9604s pharmaceutical development was discontinued due to insufficient efficacy findings in clinical trials, which is relevant context when evaluating either compounds utility in a research setting.
