Once you get the rock candy, save it. Then, throw everything away that you can, and then go to Twosen. Next, go to Burlin Park and buy as many sugar packets as you can at the condiments table. Then, get in a battle, eat the rock candy,(the sugar packets will sprinkle on it), and your stats will go way up! Most cheat sites won't say this, but the trick is, when you eat the rock candy, the sugar packet will disappear, but the rock candy remains!