Plant Profiler

Yellow dock (Rumex crispus)

Yellow dock (Rumex crispus) Image
Synonyms / Common Names / Related Terms
Curled dock, curley dock, curly dock, Polygonaceae (family), Rumex crispus, Rumex obtusifolius, yellow dock root.

Combination product examples: Essiac® (burdock root, yellow dock, slippery elm bark, and Turkey rhubarb); Weekend Detox Plan (Swedish bitters, tamarind pulp, milk thistle, dandelion, fennel, licorice, Oregon grape, birch leaf, burdock, artichoke, yellow dock, meadowsweet herb, prune juice.)

Mechanism of Action


  • Constituents: Yellow dock contains anthraquinones, oxalates, and tannins.1
  • Estrogenic effects: Yellow dock may have estrogenic activity, although more research is needed to clarify the exact mechanism of action.2


  • Insufficient available evidence.


  1. Can anthraquinone laxative abuse cause cancer? Medical Herbalism: A Journal for the Clinical Practitioner 1993;5(4):11.
  2. Bone, K. Phytotherapy Review & Commentary. Townsend Letter for Doctors & Patients 1999;(190):120-123.

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