Petadolex
Emerson Ecologics
this supplement is an excellent source of butterbur. There are a number of articles describing the use of butterbur to help alleviate migraine headaches, and for severe allergies. I have found this supplement to live up to its reputation in helping individuals with migraines and allergies.
Emerson Ecologics
Alternative Therapies May/June 2002 Vol. 8, No 3
Natural Health, Jan/Feb 2003
Dr. Donald Brown's Clinical Research E-Mail Updates - Sept/Oct 2002
Headache--The Journal of Head and Face Pain, Jan. 2003