Sweet Heart is an item in the “Healing” category (Medicine). It costs ₽3000.
In-game descriptions
| Black / White · Black 2 / White 2 | Very sweet chocolate. It restores the HP of one Pokémon by only 20 points. |
|---|---|
| X / Y · Sun / Moon · Ultra Sun / Ultra Moon · Let’s Go, Pikachu! / Let’s Go, Eevee! | A piece of cloyingly sweet chocolate. When consumed, it restores 20 HP to an injured Pokémon. |
| Sword / Shield | A piece of cloyingly sweet chocolate. It can be used to restore 20 HP to a single Pokémon. |
Where to find it
Not placed on the atlas maps (so far: Red/Blue and Generation 3).
Sources : PokeAPI (items, item_flavor_text, machines) · atlas · pokeemerald species_info.h