The Razz Berry was the first Berry made available in Pokémon GO. It can be used to make wild Pokémon more likely to be caught, adding a ×1.5 multiplier to the catch rate. The Berry's effect lasts until the Pokémon breaks out of a thrown Poké Ball.
On June 22, 2017, the Golden Razz Berry was added to Pokémon GO as a stronger version of the regular Razz Berry, which has a catch rate multiplier of ×2.5 instead.
Since the addition of the Golden Razz Berry, Berries can also be fed to Pokémon at Gyms controlled by the player's team to boost their motivation. Razz Berries have a decreasing effect, but Golden Razz Berries will completely fill a Pokémon's motivation.
ズリのみ Zuri Fruit
Feed this to a Pokémon, and it will be easier to catch on your next throw.
Golden Razz Berry
きんのズリのみ Gold Zuri Fruit
Feed this to a wild Pokémon to make it much easier to catch. Feed this to a Pokémon on a Gym to fully restore its motivation.
Razz Berries can be obtained starting from level 8. They are rewarded for leveling up every level from Lv. 8 to 20 and every two levels starting from Lv. 22.