Yarrow, also known as Achillea millefolium, is a perennial herb native to Europe and Asia. The flowers and leaves of the plant are used for medicinal and culinary purposes. Yarrow has been traditionally used to help reduce symptoms of pain, particularly in the digestive system, and to help reduce symptoms of indigestion, it is believed to have carminative properties. It is also traditionally used to help improve circulation, and to help reduce symptoms of varicose veins and hemorrhoids, it is believed to have astringent and vasodilator properties. Yarrow is also believed to have anti-inflammatory properties and may help to protect cells from damage. Yarrow is also used as an antiseptic, it is believed to have antimicrobial properties and may help to protect against bacterial and fungal infections.