That's not any more believable than the first one, and if he was Alex, or even Barry, she might argue it more, but he isn't Alex, and he most certainly wants to not at least be called Barry and that might extend to pretty much everything. She doesn't know yet. She doesn't know a lot at this point, and that's pretty much an anxiety mountain all in itself.

"Um," There's a press of lips, and a sideways look at it, even as she reaches out to take. Looking at the non-descript can more than anything else. "Isn't it specifically made for you? Like for your metabolism?"

Not that hers is terrible far off, given how much she has to eat in a day to maintain. But there was the whole idea it wasn't made for her, and she could already see what Alex's and J'onn's face would be in her head.