Achillea millefolium, commonly known as yarrow or common yarrow is a flowering plant in the family Asteraceae. It is native to temperate regions of the Northern Hemisphere in Asia, Europe, and North America. Wikipedia
Flower heads are arranged in large, compact clusters at the top of the stem, each cluster consisting of 1 or more flower heads. The flower head has 20-25 yellowish-white (rarely pink) ray flowers and similarly colored disk flowers, divided into smaller leaflets, giving them a delicate, fernlike, lacy appearance.
Yarrow leaves have been used for tea, and young leaves and flowers have been used in salads. Infusions of yarrow have served as cosmetic cleansers and medicines.
Yarrow has been used to induce sweating and to stop wound bleeding. It also has been reported to reduce heavy menstrual bleeding and pain. It has been used to relieve GI ailments, for cerebral and coronary thromboses, to lower high blood pressure, to improve circulation, and to tone varicose veins.
It has antimicrobial actions, is a natural source for food flavoring, and is used in alcoholic beverages and bitters.
A 2017 study out of Iran supports the use of achillea millefolium in neurodegenerative disease, including multiple sclerosis, Parkinson's disease, stroke, and epilepsy. This conclusion is based on findings in animal studies.
The 2017 review and other studies support yarrow's effectiveness for: