The same 1% engagement in a lean liver produces the same fat-burning signal with far less stored fat to draw down, which is why a liver-fat scan reads differently in that body even though the receptor engagement is identical
The three forms of vitamin B12, cyanocobalamin, methylcobalamin, and adenosylcobalamin have been shown to have different conversion and absorption rates, with methylcobalamin (the naturally occurring form of B12) regarded as the most optimal for assisting in the methylation cycle
Urva S, Coskun T, Loh MT, et al
Note: The above statements have not been evaluated by the Food and Drug Administration
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