Product Review

In Germany, doctors are recommending a natural extract from the herb butterbur (Petasites hybridus) to maintain head cavity comfort. In clinical trials in both Germany and the United States, butterbur reduced the incidence of head cavity discomforts by approximately 61%.

Butterbur's principal active constituent, petasin, reduces smooth muscle spasms and helps relax the constriction of cerebral blood vessels. Butterbur's ability to relax constricted arteries and smooth muscle may help cont