Inulin (Prebiotic Fiber)
Commonly used for
Metabolic HealthNutritionConstipation
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What is it? / Overview
Inulin is a prebiotic fiber that feeds beneficial gut bacteria and improves bowel regularity. It can also modestly improve calcium absorption and support overall gut health.
How is it used? / Administration
Form: Chicory root inulin
Typical dose studied: 3–10 g/day, increased gradually
Timing: With meals
Start with 2–3 g/day to reduce bloating. IBS patients should trial cautiously.
What does it pair with?
Pairs well with:
Can support certain probiotic strains, but works fine as fiber on its own — Forms a "synbiotic" pairing with some probiotic strains, but a prebiotic doesn't require a probiotic supplement to be useful.
How well does it work? / Evidence
✓ Well-established
Who should avoid it?
Avoid with: IBS / Irritable bowel syndrome
Interacts with: Separate from medications if significant GI symptoms occur
Already taking it? Increase slowly to improve tolerance.
Research & references
Gibson GR et al. Prebiotics. ISAPP Prebiotic Consensus. Slavin JL. Dietary fiber and gut health.
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