Why would you feed a Berry to any Pokémon other than your own?
While you could always starve your teammates Pokémon in the hopes of making them more likely to get kicked off by an attacking team (or shaver/cycler), there are some benefits to feeding as many Pokémon in Gyms controlled by your team as possible. That is, in addition to keeping the Gym strong against would-be attackers.
- 20 stardust for every Pokémon you feed.
- 20 XP for every Pokémon you feed.
- Pokémon candy — but only occasionally — of the type you're feeding.
- 10 points towards your Gym badge.
- One point towards the new Berry Master medal.
That all makes for a reasonably decent incentive to keep feeding any friendly Pokémon, you find on Gyms. Especially Nanab Berries which have little other use.
Can you keep feeding Berries to Pokémon forever?
Not exactly. You can only feed 10 standard Berries to up to 10 Pokémon in any 30 minutes. That means, whether you feed 10 Pokémon one Berry each, or 10 Pokémon 10 Berries each, you still have to wait 30 minutes before you can feed another Pokémon a Berry.
Also, feeding works with diminishing returns, basically having its effects halves each time. That's probably so you can't sit there, feed your Pokémon over and over again, and effectively stop attackers from kicking your Pokémon out of the Gym.
But a Golden Razz Berry will fill up your Pokémon's motivation completely?
Correct. If you manage to get a Golden Razz Berry by defeating a Raid Boss, you can use it to catch a very hard to catch Pokémon, or you can feed it to a Pokémon on a Gym to fully restore its Motivation. While this can be a way to hold onto a Gym currently under attack, it is quite costly and your rivals can stagger their attacks if there are three or more of them, preventing even a Golden Razz from keeping your hold on a Gym.
What about Silver Pinap Berries?
While I personally would consider it a waste, you can also give a Pokémon in a Gym a Silver Pinap Berry. Silver Pinap Berries are special Berries you only get as rewards for Research and Special Research. If fed to a Pokémon in a Gym, it restores twice the motivation of a Razz, Pinap, or Nanab Berry.
Can you feed a Pokémon remotely, or do you have to physically go to the Gym?
You can now feed Berries remotely to any Gym that has one of your Pokémon on it.
- Tap the Menu button, bottom middle. (Looks like a Poké Ball.)
- Tap the Pokemon button, bottom left. (Looks like a Pikachu.)
- Tap on a Pokémon that's defending a Gym.
- Tap on the Pokémon you want to feed.
- Tap on the **Berry* to feed the Pokémon.
You can swap Pokémon and berry types until you run out of Berries or reach the 10 Berries for up to 10 Pokémon limit. This can also be accessed from the Gym Badge screen but as your badges are sorted by activity, it is usually easier to go by the Pokémon's page.
