The Institute for Optimum Nutrition
Botanical name: Rumex crispus
© Steven Foster
Yellow dock is found in many places throughout North America. The root of the plant is used in herbal medicine.
Yellow dock has been used in connection with the following conditions (refer to the individual health concern for complete information):
| Science Ratings | Health Concerns |
|---|---|
 |
Skin conditions |
 Reliable
and relatively consistent scientific data showing a substantial health benefit. Contradictory, insufficient, or preliminary studies
suggesting a health benefit or minimal health benefit. For an herb, supported by traditional use but minimal
or no scientific evidence. For a supplement, little scientific support and/or minimal health
benefit. |
|
Yellow dock has a long history of use as an alterative. Alterative herbs have nonspecific effects on the gastrointestinal tract and the liver. As a result, they are thought to treat skin conditions attributed to toxic metabolites from poor digestion and poor liver function.
Yellow dock contains relatively small amounts of anthraquinone glycosides, which may contribute to its mild laxative effect.1 It is also thought to stimulate bile production. It is often used as a digestive bitter for people with poor digestion. No human studies have been done on its use as medicine.
A tincture of yellow dock, 1/4–1/2 teaspoon (1–2 ml) three times per day, can be used.2 Alternatively, a tea can be made by boiling 1–2 teaspoons (5–10 grams) of root in 2 cups (500 ml) of water for ten minutes. Three cups (750 ml) may be drunk each day.
Aside from mild diarrhea or loose stools in some people, yellow dock is rarely associated with side effects.3
At the time of writing, there were no well-known drug interactions with Yellow Dock.
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