Yellow Dock (Rumex crispus) is an herb that purifies the blood. It has compounds called anthraquinone glycosides that stimulate bile production, aiding digestion and cleansing the liver. Some herbalists believe that chronic skin problems like acne improve with long-term use of yellow dock. Caution: Don’t take yellow dock if you have kidney stones. 2 ounce tincture.
In Western herbalism, the root is often used for treating anemia, due to its high level of iron. The plant will help with skin conditions if taken internally or applied externally to itching skin, scrofula and sores. Some studies show that certain anthroquinones can help stop or slow cancer growth, but this may or may not apply to the ones in yellow dock.
Yellow dock is part of the homeopathic pharmacopeia. It is used mainly for respiratory conditions, specifically those with a tickling cough that is worse when exposed to cold air. It mentions also passing pains, excessive itching, and that it helps enlarged lymphs.