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Burdock is a plant that grows in North America and Europe. It has been used to ease swelling when applied as a cream. It can also be taken as a pill or powder.
There aren’t any advised doses for burdock.
Editorial process and description of evidence categories can be found at EBSCO NAT Editorial Process.
It is likely safe to use burdock on the skin. It may be safe to take burdock orally for a short time. Not enough studies have been done to say whether it is safe to use for a long period.
Talk to your doctor about any supplements or therapy you would like to use. Some can interfere with treatment or make conditions worse.
A. Helicobacter Pylori Infection
A1. Yen CH, Chiu HF, et al. Beneficial effect of Burdock complex on asymptomatic Helicobacter pylori-infected subjects: A randomized, double-blind placebo-controlled clinical trial. Helicobacter. 2018 Jun;23(3):e12469.
B. Knee Osteoarthritis
B1. Maghsoumi-Norouzabad L, Alipoor B, et al. Effects of Arctium lappa L. (Burdock) root tea on inflammatory status and oxidative stress in patients with knee osteoarthritis. Int J Rheum Dis. 2016 Mar;19(3):255-261.
Last reviewed March 2019 by EBSCO CAM Review Board Last Updated: 2/25/2020