Senzu Beans

Senzu (仙豆 Holy Beans) are a kind of mystical bean in the Dragon Ball manga and anime series of immense rejuvenating properties. Senzu are grown by Korin in Korin Tower. When eaten, the consumer's energy and physical health are restored to their fullest; the effects are typicaly almost instantaneous for the recipient, making these beans a great asset at both in and out of battle.

Trivia
Since there was drastic changes and cuts to CAMEO! 1 the only thing that was left were healing items, it is unknown if Senzu are in the game, however.