Curious: why not?MarkB said:A standard potion, no.
I agree that your ruling corresponds to the one given in the 3.0 FAQ, but I'm curious as to your reasoning. It would seem to limit player creativity. For example: if they instead decided (in an urgent situation) to make a healing roll to perform an impromptu tracheotomy (Or possibly pour it down the nose, etc.) in order to administer a potion, it seems like you ruling would also disallow that.
If the rules don't address something, and it still seems possible, I'd at least roll for it. Potions are considered "use activated" items after all, and (per the dictionary) absorbing something can be construed as "imbibing" it, so I might allow for normal human physiology here.