Butterbur Root Powder Extract 4:1

Petasites hybridus, the butterbur, is a herbaceous perennial flowering plant in the daisy family Asteraceae, native to Europe and northern Asia.Petasites hybridus leaves have been used in the traditional Austrian and Czech medicine internally (as tea or cold maceration in ethanol) and externally (as compresses or maceration in vinegar) for treatment of infections, fever, flu, colds, hay-fever, and allergies. Currently, butterbur extracts are used for migraine prevention, as well as alleviate allergic rhinitis.