Don't pollute that Barb with wizard :P
The wiz level is great at low levels, makes it a lot easier. But later when you get higher up in levels those wands, like pots become obsolete. If you really want to self heal while remaining a barb, what I woudl recommend would be to mix in 2 levels of rogue. Max out UMD, get RR items, be able to scroll heal yourself, evasion.