This Tanacetum parthenium extract delivers feverfew benefits in a 100ml formula. The herb helps prevent migraines and reduce their intensity. Works to calm blood vessel spasms in the head. May ease arthritis pain and inflammation. Contains parthenolide, the plant’s key active compound. Easy to take – mix with water daily for prevention. Perfect for chronic headache sufferers. Preserves all the leaf’s medicinal properties effectively. A clinically-studied herbal remedy for pain management.