Prebiotic
Inulin
Also known as: Chicory root fiber, Chicory inulin, FOS precursor, Prebiotics
Chicory-derived prebiotic fiber that specifically feeds Bifidobacteria and supports gut health.
Daily target & upper limit
28 g / dayInulin has an established daily reference intake. See best forms, label synonyms, upper-limit warnings, and top-scoring supplements:
Inulin dosage reference →Primary uses
- Prebiotic
- Bifidobacteria food
- Gut health
- Mineral absorption
How it works
- Selectively feeds beneficial bacteria
- Increases Bifidobacteria
- Ferments to short-chain fatty acids
- May enhance mineral absorption
Dosage
- Typical range
- 5-15g daily, start with 2-3g
- Timing
- Any time, with food or drinks
- With food
- Either way
- Duration
- Ongoing for gut health
- Special populations
- Those seeking prebiotic support, constipation
Forms
- Powder
- Capsules
- In foods
Safety
Common side effects
- Gas
- Bloating
- Cramping if too much too fast
Contraindications
- FODMAP sensitivity
- SIBO (may worsen)
Products containing Inulin
Top-scoring supplements in our catalog that list Inulin on the label. Each product is graded on Formulate's ingredient-level rubric — dose accuracy, form, transparency, and third-party testing.
See all products →
Known interactions
Evidence notes
Well-studied prebiotic fiber
Grade A: Multiple well-designed human trials support the main claims.
Cited research for Inulin
Clinical studies referenced across Formulate guides that mention inulin. Each links to the full study page with PubMed source + the guides that cite it.
Related in Prebiotic
Check a full stack
Formulate's free interaction checker lets you paste in any combination of supplements and medications at once — every pairing flags severity, timing, and cited evidence.
Open the checkerMedical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider.