Berries
While only Razz Berry are obtainable at the moment, few other berries are detected in the apk like Bluk Berry, Nanab Berry, Wepar Berry and Pinap Berry.
Egg Incubator
Hatching eggs is the best way to catch ’em all. You should always use your Egg Incubator and have an Egg in the Orange Egg Incubator at all times.
Incense
Incense attracts Pokémon to the trainer’s location for 30 minutes. The effect will stack with Lure Module and increase the frequency of encountering Pokémon.
Lucky Egg
Evolving a Pokémon gives 500 XP, making it a perfect action to be used together with the Lucky Egg’s double XP when evolving lots of common Pokémon.
Lure Module
Lure Module attracts Pokémon to a Pokestop for 30 minutes. The effect benefits other people nearby.
Poké Balls
Poké Ball is the most used item by trainers in Pokémon Go for catching Pokémon. There are four types of Poké Ball. Great Ball, Ultra Ball, and Master Ball.
Potions
Potions let you heal Pokémon, restoring HP lost during battle. It is an item you can find quite easily at Pokestops once you reach level 5.
Revives
Revive is unlocked at level 5 and will heal a fainted Pokémon back to half health. Max Revive will fully heal a fainted Pokémon’s max health.
Storage Upgrades
Bag Upgrade and Storage Upgrade will increase the number of items and Pokémon that you can carry respectively.