Restores HP as well when the Pokémon eats a Berry.
Effect
This Pokémon regains 1/3 of its maximum HP upon eating a Berry, in addition to the Berry's effect, as long as the Berry's effect would actually activate (e.g., a Payapa Berry will not trigger this effect). Berries eaten via Bug Bite and Pluck will activate Cheek Pouch, but Berries consumed via a move like Natural Gift or by use from the Trainer's Bag will not.
Pokémon with Cheek Pouch as a standard ability (1)