Apocynin

http://www.answers.com/topic/apocynin-1

Apocynin is isolated from both the kurroa and Canadian hemp roots:

http://riverssourcebotanicals.com/index.php

http://www.tattvasherbs.com/liversupport.htm?gclid=CNrUguiYk5UCFQmdnAodZDAFgw

http://www.vitacost.com/Healthnotes/Herb/Picrorhiza.aspx

http://www.vedaliving.com/store/product_info.php?products_id=103