Hi-Potion

Hi-Potion is an item found in Kingdom Hearts and Kingdom Hearts II, but in slightly different ways in each game. In the first game, it restores 60 HP for one party member, while in the second, it restores 60% of one party member's health. It can be equipped for use in battle. Hi-Potion is also used as an Item Card in Kingdom Hearts: Chain of Memories.

Kingdom Hearts & Kingdom Hearts II
In Kingdom Hearts, they can be found in various chests and Trinities scattered throughout the Worlds, as well as purchased in the Traverse Town Item Shop late in the game. In Kingdom Hearts II, they are also found in chests, and can be purchased for 100 Munny in the item shops in Twilight Town and Hollow Bastion, as well as in Moogle hologram shops in the various worlds.

Kingdom Hearts: Chain of Memories
Hi-Potion is also a card in Kingdom Hearts: Chain of Memories.