Source: leaves and aerial parts.
Actions: reduces fever, pain-relieving, anti-rheumatic.
Therapeutic uses: migraine, irregular or painful periods, joint inflammation and pain, fevers, childbirth.
Typical preparation: fresh leaves (eaten or made into a tea), tablets/capsules, liquid tincture.
Contraindications: not to be taken during pregnancy or if taking warfarin or any other blood-thinning medication. Eating the fresh leaves can trigger mouth ulcers in some people.