Gluttony (ability)

Effect

A Pokémon with Gluttony will use a pinch berry when its HP drops to 50%, rather than the usual 25%.

Pinch berries are: Figy, Wiki, Mago, Aguav, Iapapa, Liechi, Ganlon, Salac, Petaya, Apicot, Lansat, Starf, Micle and Custap. (Their descriptions state that they work in a pinch.)

Game descriptions

Diamond​/​Pearl
Platinum
HeartGold​/​SoulSilver
Encourages the early use of a held Berry.
Black​/​White
Black 2​/​White 2
Encourages the early use of a held Berry.
X​/​Y
O.Ruby​/​A.Sapphire
Makes the Pokémon use a held Berry earlier than usual.
Sun​/​Moon
Ultra Sun​/​Ultra Moon
Makes the Pokémon eat a held Berry when its HP drops to half or less, which is sooner than usual.
Sword​/​Shield
B.Diamond​/​S.Pearl
Makes the Pokémon eat a held Berry when its HP drops to half or less, which is sooner than usual.
Scarlet​/​Violet If the Pokémon is holding a Berry to be eaten when its HP is low, it will instead eat the Berry when its HP drops to half or less.

Other languages

English Gluttony
Japanese くいしんぼう (Kuishinbō)
German Völlerei
French Gloutonnerie
Italian Voracità
Spanish Gula
Korean 먹보
Chinese (Simplified) 贪吃鬼
Chinese (Traditional) 貪吃鬼