From the Super Mario Wiki
KerokeroCola (sometimes spelled Kerokero Cola) is one of the most valuable (and expensive) items found in Super Mario RPG: Legend of the Seven Stars. KerokeroCola can recover the HP and FP of everyone in Mario's party. It can be purchased at Tadpole Pond after acquiring the Soprano Card or in Marrymore via room service in the honeymoon suite. KerokeroCola comes in a green cup with a picture of a green frog's foot or in a frog-shaped bottle.
Names in other languages
- Kero is the Japanese onomatopoeia for a frog's noise.