Potion Boost (ポーションアップ Pōshon Appu, lit. "Potion Up") is an ability in Kingdom Hearts 358/2 Days. It appears as both Potion Boost LV1 and Potion Boost LV2. It increases the effect of HP-restorative items, such as Potions and Hi-Potions, with Potion Boost LV2 having a stronger effect than Potion Boost LV1.