"Revolutionizing Hair Loss Treatment" by Oxford scientists - basically a supplement on L-Carnitine basis that target potassium channels (same target as topical minoxidil). Seems to be some solid science behind this.
A massive thread (400 pages!!!) about this going on at the baldtruthtalk forum about this and some claim dramatic improvements after 1 year - even in temple region - see
I'm thinking about trying this. Did anybody try themselves?