Please talk to your doctor about supplementation particularly in treatment.
Vitacost are competitive and efficient. I am sure there are lots of other suppliers too.
http://www.vitacost.com/
These links may contain useful information
RB
http://www.her2support.org/vbulletin...ighlight=Coq10
http://www.her2support.org/vbulletin...ght=greek+diet