[ It always circles back to cannibalism doesn't it. ]

It may require an exorbitant amount of food. Without understanding the properties of the additive, it is... unclear how our bodies' metabolization will impact its effectiveness. Should that process diminish the additive's abilities, the requisite amounts of food may be more than what a person can consume within a day.

[ He glances down at his own arm. ]

...there is only one method to ascertain an answer. But it may be wisest to refrain for now, as we currently lack a means for swiftly restoring the state of a limb.

[ That wasn't necessarily a no, huh. ]