Yellow dock is an herb that grows in North America. The root has been used to ease digestion and improve liver function. Yellow dock has also been used to ease inflammation in the nose and throat. It can be taken as pill, powder, or extract. Yellow dock can also be made into a tea.
There are no advised doses for yellow dock.
There is not enough data to support that yellow dock is helpful in treating health problems. We will review future studies as they are published.
Editorial process and description of evidence categories can be found at EBSCO NAT Editorial Process.
It may be safe to take yellow dock in small doses for a short time. It may be unsafe to use for a long period.1 Women who are pregnant or breastfeeding should not take yellow dock.
Talk to your doctor about any supplements or therapy you would like to use. Some can interfere with treatment or make conditions worse.
1. Vasas A, Orbán-Gyapai O, et al. The Genus Rumex: Review of traditional uses, phytochemistry and pharmacology. J Ethnopharmacol. 2015 Dec 4;175:198-228.
Last reviewed July 2019 by EBSCO NAT Review Board Eric Hurwitz, DC Last Updated: 3/26/2020