Calcium

Pocket: Items

Description: Raises the base Sp. Atk stat of one Pokémon.

Fling: 30 BP

Sources

Shop:

Battle Frontier - Mart
Lilycove City - Department Store 3F
Slateport City

Overworld:

Route 123
Safari Zone - North

Hidden Item:

Route 109
Route 119
Underwater - Route 124