Yes head to slateport city and go into the outside shopping area find the energy guru and buy proteins from him. EXCLUSIVE! If you watch TV sometimes it will mention the energy guru will have a sale he will cut prices on all his products buy proteins when he has this sale!
just buy it
There is no place to buy elixirs in Pokemon Sapphire. You can find them using the item finder.
buy it
You can't buy Rare Candy.
Yes You Can!
buy it
no
you cant
buy Pokemon Sapphire
buy them
You can't buy rare candies!
You cannot buy them, however you can get them in granite cave.