Burdock Root for Diverticulitis

A 2019 study found that people who drank 1.5g of Japanese burdock tea [Ajikan, Co., Ltd., Hiroshima, Japan] three times daily had a significant reduction in recurrent colonic diverticulitis vs control over 5 years. Recurrence rates of acute colonic diverticulitis were 10.6% in the burdock tea group and 31.8% in the control group. Burdock root is thought to have an anti-inflammatory effect. Some people may be allergic to burdock or have other side effects.

Mizuki A, Tatemichi M, Nakazawa A, Tsukada N, Nagata H, Kinoshita Y. Effects of Burdock tea on recurrence of colonic diverticulitis and diverticular bleeding: An open-labelled randomized clinical trial. Sci Rep. 2019 May 1;9(1):6793. doi: 10.1038/s41598-019-43236-0. PMID: 31043657; PMCID: PMC6494891.

Chan YS, Cheng LN, Wu JH, Chan E, Kwan YW, Lee SM, Leung GP, Yu PH, Chan SW. A review of the pharmacological effects of Arctium lappa (burdock). Inflammopharmacology. 2011 Oct;19(5):245-54. doi: 10.1007/s10787-010-0062-4. Epub 2010 Oct 28. PMID: 20981575.