Tag

Fiber

Onions, garlic, ginger and halved oranges arranged on a board against a dark background

A microbiome-guided diet held its IBS benefit at a year, while low-FODMAP relapsed

The low-FODMAP diet works for irritable bowel syndrome in the short term, and nobody knew what happens after. Followed for 12 months without further support, its gains had gone. A diet built from each person's gut bacteria kept them.

Sep 1, 2026

Four dark bowls holding oats, buckwheat, wild rice and split peas, with rice and lentils spilling from brass spoons on a pale stone surface

Explainer

Viscous soluble fiber eased constipation on the strongest evidence in 17 trials of 1,423 adults

A Food & Function review pooled 17 randomized trials and 1,423 adults to rank fiber against fiber rather than against nothing. Viscous soluble fiber beat placebo on difficulty passing stool at high certainty, the strongest grade in the paper.

Aug 26, 2026

A wooden spoon holding a heaped mound of pale powder above a red bowl

News

Psyllium showed the clearest benefit for irritable bowel syndrome across 30 trials

A meta-analysis pooled 30 trials and 1,904 people with irritable bowel syndrome. 52% responded to fiber against 44% on placebo, and the benefit was clearest for psyllium. A separate symptom-score analysis found nothing.

Aug 18, 2026