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Supplement Forms/Alternate Names:

Rocket candytuft, bitter candytuft, iberis amara, clown’s mustard plant


Candytuft is a flower that grows in North America. It has been used to aid digestion and ease bloating. It can be taken as a pill or powder.


There aren’t any advised doses for candytuft.

What Research Shows

May Be Effective

  • Indigestion —may reduce symptomsA1-A3
  • Irritable bowel syndrome —may ease symptomsB1

Editorial process and description of evidence categories can be found at EBSCO NAT Editorial Process.

Safety Notes

It is likely safe to take candytuft for a short time. Not enough studies have been done to say whether it is safe to take 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. Indigestion

A1. Rösch W, Vinson B, Sassin I. A randomised clinical trial comparing the efficacy of a herbal preparation STW 5 with the prokinetic drug cisapride in patients with dysmotility type of functional dyspepsia. Z Gastroenterol. 2002 Jun;40(6):401-408.

A2. Melzer J, Iten F, et al. and Iberogast--results of a systematic review concerning functional dyspepsia. J Herb Pharmacother. 2004;4(4):51-59.

A3. von Arnim U, Peitz U, et al. STW 5, a phytopharmacon for patients with functional dyspepsia: results of a multicenter, placebo-controlled double-blind study. Am J Gastroenterol. 2007 Jun;102(6):1268-1275.

B. Irritable Bowel Syndrome

B1. Madisch A, Holtmann G, et al. Treatment of irritable bowel syndrome with herbal preparations: results of a double-blind, randomized, placebo-controlled, multi-centre trial. Aliment Pharmacol Ther. 2004 Feb 1;19(3):271-9.

Last reviewed February 2020 by EBSCO NAT Review Board Eric Hurwitz, DC  Last Updated: 6/17/2020