Perhaps you can help by uploading a picture of BBS panacea and Re:Coded panacea.
Although they are valuable, they are surprisingly also very common; appearing in multiple chests, multiple completion and random rewards, and freebies. They can also be purchased from the Moogle shop for 140 Heart Points.
Panaceas are also used in Kingdom Hearts Birth by Sleep and remove all negative status effects. They are each worth 50 munny.
Panaceas are again used in Kingdom Hearts Re:coded and remove all negative status effects. They are each worth 160 munny.
Kingdom Hearts Birth By Sleep
Kingdom Hearts Re:coded
- Panacea: Large Body (2.00% - Beginner)
A panacea is a fictional medicine that was supposedly a cure-all that could extend one's lifespan. It, in turn, got its name from the Greek goddess of healing, Panacea.