- Polygonaceae
- Root
- Europe · naturalised worldwide
- Cut root, for decoction
Yellow Dock
Rumex crispus
Select sizeThe plant
Yellow dock has narrow leaves with curled edges. Its yellowish root is used in traditional preparations.
What's in it
Anthraquinone-related compounds occur in the root; some can affect bowel activity. Tannins contribute a drying quality.
Anthraquinone glycosides
Including emodin. Laxative in quantity — the reason for the caution.
Oxalic acid
Present in root and leaf. Binds minerals, including iron.
Tannins
Contributing astringency.
Iron
Present, though the oxalate content complicates its availability.
How it works
Digestive tradition: Yellow dock is traditionally included in bitter root preparations concerned with bowel regularity. Regularity means passing stools comfortably. Skin-wellbeing heritage: It also has a history in skin-focused herbal blends, often alongside other roots and leaves.
In the tradition
Associated with European and modern Caribbean-influenced herbal practice.
The yellow colour inside the root explains its name.
- 1Simmer 1–2 tsp dried yellow dock root in 250ml water for 15–20 mins.
- 2Drink 1–2 cups daily.
- 3Bitter, earthy, slightly astringent flavour.
- 4Best taken between meals for maximum iron absorption benefit.
- 5Pairs excellently with nettle leaf for a comprehensive iron-building and blood-toning protocol, or with dandelion root for liver and digestive support.
Storage: Store in an airtight container in a cool, dry place away from direct sunlight and moisture. Best used within 12–24 months.
- Avoid during pregnancy; check breastfeeding, bowel or kidney problems and medicines.
- May cause diarrhoea.
- Inflammatory bowel disease: laxative action may worsen.
- On anticoagulants or diuretics: check with your doctor.
A food supplement, not a substitute for a varied diet. Speak to your doctor before use if you are pregnant, breastfeeding or taking medication.
Common questions
How do I prepare yellow dock?
Yellow Dock is simmered as a decoction rather than steeped. Simmer 1–2 tsp dried yellow dock root in 250ml water for 15–20 mins. Full directions are in the How to use panel above. See also: Infusion vs decoction.
What is yellow dock?
Yellow Dock (Rumex crispus) belongs to the Polygonaceae family; the root is used. Origin: Europe, naturalised worldwide. A distinctly bitter root with a longstanding skin and digestive herbal tradition.
How should I store dried yellow dock?
Store in an airtight container in a cool, dry place away from direct sunlight and moisture. Best used within 12–24 months.
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