Because lungs are 100% more effective at absorbing protein.
So a slim jim?
Technically, they already do. Just slap a "protein!" sticker on it.
If we still wrote things down with pens someone will have put it in paper by now.
As it is I'll have to just wait for the screen protectors made out of protein 'for that extra hit just when you need it' to hit the shelves...or...protein pants...
Another problem which can be solved by my penis.