In a small Norwegian study, 17 people with irritable bowel syndrome logged food and symptoms for a week. Vitamin B6 was the only nutrient significantly tied to the symptom score, with lower intake accompanying more severe symptoms; median intake was 0.9 mg a day.
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Herbs
Peppermint may soothe IBS
University of Adelaide researchers report that peppermint acts through an anti-pain channel called TRPM8 in the colon, damping pain-sensing fibres. The lead author calls it a possible first step toward a new treatment for irritable bowel syndrome, which currently has no cure.
Drug
Placebo Pill vs. Antibiotic Rifaximin, Which is Better for Irritable Bowel Syndrome?
In a trial of 1,260 people with irritable bowel syndrome but no constipation, 40 percent given two weeks of rifaximin reported relief against 32 percent of the untreated, and the benefit lasted only 10 weeks. A separate trial found 59 percent improved on a sugar pill.
Drug
Placebo treatment better than no treatment - study suggests
In a study of 80 irritable bowel syndrome patients, 59 percent of those given a pill openly described as having no active ingredient reported adequate symptom relief, against 35 percent left untreated. Kaptchuk suggests the benefit may lie in the performance of the medical ritual.
Drug
Placebos work, at least for irritable bowel syndrome
Harvard researchers gave 80 irritable bowel syndrome patients either no treatment or a placebo pill labelled as a placebo. After three weeks, 59 percent on the openly labelled dummy pill reported adequate symptom relief, against 35 percent given nothing. The authors call the study small.
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