Juice Boxes are one of the two kinds of consumable that can be found. They may be dropped by enemies, and some room designs include juice boxes in fixed positions.
Using a juice box restores some of Cordy's life - initially they restore 20 life, but certain items can increase the healing received. Some perks add other effects to juice boxes.
Initially, Cordy can hold up to 3 juice boxes. Certain items and lessons can increase her maximum capacity. Cordy always starts the game with as many juice boxes as she can hold. All vending machines sell juice boxes.