Nature`s Way Feverfew Leaves have been standardized to .7% Parthenolide and dosed according to studies. Feverfew helps maintain normal blood vessel tone and prevent the occurrence of migranes. It also relieves muscle pain and cramping. When taken as a syrup feverfew may be able to reduce the discomfort of colds flu wheezing asthma and breathing difficulties.

Premium Extract
Clinical Dose
0.7% Parthenolide
Dietary Supplement
Feverfew Standardized