curcumin is a Nrf2 inducer, as are sulphorphanes (of which brocco sprouts are the most potent). Alpha lipoic acid positively affects Nrf2 upregulation. and Deprenyl has been shown in cell models to upregulate Nrf2
(
http://cat.inist.fr/?aModele=afficheN&cpsidt=17503734)