Yellow Dock
A bitter herb used to support digestion, liver detoxification, and skin health, with a mild laxative effect.
Also known as: Rumex crispus • Curled Dock
Overview
Yellow dock is a traditional herbal remedy known for its cleansing properties. The root is rich in anthraquinone glycosides, which stimulate bile production and have a gentle laxative effect. This action, combined with its bitter properties, makes it a valuable herb for supporting liver detoxification, relieving constipation, and improving chronic skin conditions.
Key Benefits
Stimulates Digestion
As a bitter, it increases the production of digestive juices and enzymes, improving overall digestion.
Gentle Laxative
The anthraquinones in yellow dock stimulate bowel movements, helping to relieve occasional constipation.
Supports Liver Detox
By promoting bile flow and bowel regularity, it helps the body to efficiently eliminate waste and toxins.
Improves Iron Absorption
It is traditionally used to improve the body's ability to absorb and utilize iron from food.
Dosage & How to Take
500mg of root powder or extract, 1-2 times daily.
| Purpose | Dose | Notes |
|---|---|---|
| Constipation/Detox | 1-2g/day of dried root | Often taken as a tea or tincture before bed. |
Best Time to Take
For digestive benefits, take before meals. For laxative effects, take at bedtime.
With or Without Food
Can be taken with or without food.
Forms & Bioavailability
| Form | Absorption | Best For | Notes |
|---|---|---|---|
| Dried Root/Powder | Good | General use, teas, capsules | The most common form. |
| Tincture | Excellent | Fast-acting digestive bitter | A liquid alcohol extract. |
Side Effects & Safety
Common
- Mild gastrointestinal discomfort
- Diarrhea with high doses.
Rare
- Nausea.
Contraindications
- Long-term use is not recommended due to laxative effect.
- Kidney disease, as it is high in oxalates.
- Intestinal obstruction.
Interactions
May have an additive effect.
May deplete potassium, increasing the risk of digoxin toxicity.
Scientific Research
A review of the botany, phytochemistry, and traditional uses of Rumex crispus
Historical and modern reviews confirm its use as a digestive tonic and mild laxative, attributing its effects to compounds like anthraquinones.
Food Sources
Frequently Asked Questions
Medical Disclaimer
This content is for educational and informational purposes only and is not intended as medical advice. Always consult with a qualified healthcare professional before starting any supplement regimen, especially if you have pre-existing health conditions or are taking medications. The statements on this page have not been evaluated by the Food and Drug Administration.