Go to the lake of rage through the Greedy Gate. There you will meet Lance!!!
It's not a rare candy, it's a RageCandyBar. (Key item)
find them
Rare candy is a pack that can increase your pokemon level to 1. You get it when you go to mahogany town shop
go to the radio tower in goldenrod city an defeat all the team rocket dudes you will get the silver wing then go to mahogany town and go -> passed the guy that sells rage candy bars and your in blackthorn city.
Any of your pokemon.
train, or rare candy
The item duplication glitch (or Rare Candy glitch) can't be done in Pokemon FireRed version.
It is at he way to blackthorn city
past the rage candy bar dealer in mahogany town (right of the town) to the ice cave
in order to do that you have to help the lady in the lighthouse
gold 1457h6h78 crystal 3g75k90c120 silver 2ghi76hdf5d
The last answer doesnt work. And Pokemon yellow,red,and blue are not like Pokemon Gold,Silver, and Crystal. Trust me i havem all. The rare candy codfe is: 18790006467
You are a BIG Pokemon geek. I suggest you get a life.