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Yellow Dock
What is it? Overview Usage Side Effects and Warnings

Yellow Dock Overview

Written by FoundHealth.

Yellow dock ( Rumex crispus) is a perennial flowering herb, native to Europe, which grows throughout the United States. Its yellow roots were traditionally thought to have medicinal properties, and its sour-sweet leaves can be used (in moderation) as a salad green.

Historically, the plant has been used to treat a variety of problems, including constipation anddiarrhea, as well as dermatitis and venereal diseases. 1 Powdered yellow dock root has also been used as a mouthwash or dentifrice.


Typical doses of yellow dock root are 2 to 4 g of the dried root, 2 to 4 ml of the liquid extract, or 1 to 2 ml of the tincture. 2


  1. McGuffin M, ed. American Herbal Products Association’s Botanical Safety Handbook. Boca Raton, FL: CRC Press; 1997:100, 148–9, 155–7.
  2. Newall CA, Anderson LA, Phillipson JD. Herbal Medicines: A Guide for Health-Care Professionals. London, UK: Pharmaceutical Press; 1996:274.


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