If you get 6 Pokemon to level 100 you'll get it.
http://www.serebii.net/platinum/items.shtml and look up rare candy {by the way its rare candy not rare candy barb1 of the mall i think
Yes there is rare candy in pearl
You can't buy Rare Candy.
you find rare candy in the random pokeballs
theres no rare candy in nimbasa city
well if you don't want the bad egg or the rare candy then release the egg with the rare candy or if you want to keep the rare candy take the rare candy away from the egg and release the egg (i don't think you can get a bad egg but if you get one follow this answer
You can find a rare candy in wayward cave! I already found the rare candy there!
You have to have an action replay to do the rare candy cheat.....sorry! :)
eat a rare candy in your bed in your room. It'll multiply
Rare candy increases your pokemon's level by 1. Use wisely!
There isn't a Rare Candy in Floaroma. Sorry.
You cannot get rare candy that way.