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What is it? Overview Usage Side Effects and Warnings

Candytuft Overview

Written by FoundHealth.

Candytuft, also known as clown’s mustard, is a white flowering plant found originally in Spain. It’s a member of the Brassicaceae family, making it a relative of cabbage and broccoli. Traditionally, it was used in the treatment of arthritis, gout, enlarged heart, and asthma. The seeds, stems, roots, and leaves have all been used medicinally.

What is the Scientific Evidence for Candytuft?

An 8-week, double-blind study of 315 people with functional dyspepsia tested the newer candytuft product and found it significantly more effective than placebo. 1 This was a high quality study with adequate design and reporting, and its results provide a strong indication that the treatment actually works.

An earlier double-blind, placebo-controlled trial of 120 people with dyspepsia evaluated the original candytuft combination. 2 The design of this study was excessively complicated, but in essence it found that 4 weeks treatment with the product was more effective than placebo in reducing dyspepsia symptoms.

In another double-blind study, this one enrolling 60 people with dyspepsia, use of either the original or the newer candytuft herbal combination proved more effective than placebo. 3 Benefits with the original mixture were also seen in 2 other double-blind, placebo-controlled studies, enrolling a total of about 200 people. 4 In addition, a double-blind, comparative study found that both candytuft combinations were equally effective as the standard drug cisapride. 5


A typical dosage of the tested candytuft preparation is 20 drops 3 times daily.


  1. von Arnim U, Peitz U, Vinson B, Gundermann KJ, Malfertheiner P. STW 5, a phytopharmacon for patients with functional dyspepsia: results of a multicenter, placebo-controlled double-blind study. Am J Gastroenterol. 102(6):1268-75.
  2. Madisch A, Holtmann G, Mayr G, Vinson B, Hotz J. Treatment of functional dyspepsia with a herbal preparation. A double-blind, randomized, placebo-controlled, multicenter trial. Digestion. 69(1):45-52.
  3. Madisch A, Melderis H, Mayr G, Sassin I, Hotz J. [A plant extract and its modified preparation in functional dyspepsia. Results of a double-blind placebo controlled comparative study] Z Gastroenterol. 39(7):511-7.
  4. Gundermann KJ, Godehardt E, Ulbrich M. Efficacy of a herbal preparation in patients with functional dyspepsia: a meta-analysis of double-blind, randomized, clinical trials. Adv Ther. 20(1):43-9.
  5. Rosch W, Vinson B, Sassin I. A randomized clinical trial comparing the efficacy of a herbal preparation STW 5 with the prokinetic drug cisapride in patients with dysmotility type of functional dyspepesia. Z Gastroenterol. 2002;40:401-408.


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