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| Types of Fibre | Food Examples | Functions in Digestive Health |
| Insoluble, poorly fermented, non-viscous fibres | Wheat, whole grains, nuts, flax | Increases stool mass, increased water secretion and peristalsis |
| Soluble, fermentable, non-viscous fibres | Chicory root, onion, Jerusalem artichokes, cooked and cooled potatoes and pasta | Increases stool bulk through increased biomass and fermentation by‐products; metabolized by gut microbiota producing SCFA |
| Soluble, fermentable, viscous fibres | Berries, bananas, oats | Slow transit time, gel‐forming, help normalize stool consistency |
| Soluble, poorly fermented viscous fibre | Psyllium | Forms stool into a gel and remains viscous throughout the large intestine because it resists fermentation |
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