New Fiber Blend Improves Gut Health in IBS Patients

Researchers at Edith Cowan University have developed a fiber combination that eases gut-related anxiety in those with IBS.

Updated on Oct. 22, 2026 in Nutrition

Flat opaque gouache-painted editorial illustration of psyllium husk and fibers on stone, representing dietary health research. — Researchers at Edith Cowan University have developed a novel fiber blend of resistant starch and psyllium husk to improve gut health in IBS patients. AI Illustration. Upload story photo >

Live Poll

Do you believe dietary interventions are more effective than medication for managing chronic digestive issues?

In 2026, researchers at Edith Cowan University published a study detailing a novel fiber blend designed to improve gut health for individuals living with Irritable Bowel Syndrome. The intervention was shown to reduce gut-related anxiety while maintaining stable symptoms in trial participants.

Why it matters

Traditional fermentable fibers often exacerbate gas and discomfort in patients with IBS, while restrictive low-FODMAP diets can unintentionally lower beneficial bacteria levels. This new blend addresses those challenges by promoting beneficial metabolite production without the typical side effects.

The fiber blend consists of resistant starch and psyllium husk, which were tested in a randomized, double-blind control trial published in the European Journal of Nutrition (65(7):263). The blend works by delaying fermentation to allow for deeper colon activity.

The players

Edith Cowan University

An Australian public university based in Western Australia that maintains a focus on health and medical research.

The details

By pairing resistant starch with psyllium husk, researchers successfully delayed fermentation to promote healthy metabolite production in the colon. This process effectively altered the gut bacterial composition in participants, offering a potential path for managing chronic digestive issues.

The study was published in the European Journal of Nutrition in 2026.

Health Landscape

This research marks a significant departure from the reliance on the low-FODMAP diet, which often limits fiber intake for those with digestive disorders. By demonstrating that specific fiber blends can be tolerated, the study shifts the focus toward additive nutritional solutions.

This development offers a potential new dietary strategy for the 11 percent of Australians currently managing IBS symptoms. Patients may soon have access to new nutritional products that support gut health without the discomfort associated with standard fermentable fibers.

The takeaway

Patients struggling with IBS may find relief by incorporating specific resistant starches combined with psyllium into their diets. Consult with a medical professional before making significant changes to your nutrition plan to manage digestive health.