Yellow Dock, also known as Rumex crispus, is a perennial herb native to Europe and Asia. The root of the plant is used for medicinal purposes. Yellow Dock has been traditionally used to help improve digestion, and to help reduce symptoms of constipation, it is believed to have laxative properties. It is also traditionally used to help improve skin health and to help reduce symptoms of eczema, psoriasis and other skin conditions, it is believed to have astringent properties. Yellow Dock is also believed to have anti-inflammatory properties and may help to protect cells from damage. It is also used as an iron tonic that may help to increase iron levels in the body.