Alternative migraine treatment

I have been looking into something called Migraine Defense for my daughter, she is almost 15 and has been experiencing what I believe to be menstral migraines for about 1 1/2 years now.  It is a natural herbal treatment to stop the hormone trigger of migraine.  Has anyone had any experience with this product?

Her migraines last 3-5 days.  We have tried birth control pills; magnesium, B2, CoQ10; Butterbur; elimination of allergy foods; chiropractic; massage therapy; reflexology.  We have been seeing a pediatrician who tried the birth control and imitrex (makes her stomach hurt to bad to take it).  We saw a neurologist who said he didn't think it was migraines as a headache didn't always occur and she had a hyper sleep component as one of her symptoms.  He thought it was a sleep issue and sent her for a sleep study.  Then did an MRI and EEG.  All normal.  The Naturopath tried natural treatments, see above, as well as phyto estrogen to try to balance out hormones.  A nasty drink that she couldn't stomach.  She missed 40-50 days of school last year (8th grade).  This year she is in high school and can't miss more than 12 days.  I'm losing hope!! Any suggestions out there?