Fiber
Inulin
Also known as: Chicory root fiber, FOS
Prebiotic fiber from chicory root that feeds beneficial gut bacteria. Supports microbiome diversity and calcium absorption.
Last reviewed June 2026 · Evidence graded from peer-reviewed research, not editorial opinion. Educational only — not medical advice.
Every Inulin product we have scored
| # | Product | Score | Per serving |
|---|---|---|---|
| 1 | Swanson Epic Pro 25-Strain Probiotic | 76 B+ | $0.98 |
| 2 | NatureWise Max Care Probiotics | 75 B+ | $0.60 |
| 3 | Integrative Therapeutics Pro-Biome | 70 B | $1.26 |
| 4 | Bluebonnet Nutrition PROBIOTIC & PREBIOTIC 50 BILLION | 63 B- | $1.67 |
| 5 | Bluebonnet Nutrition PROBIOTIC & PREBIOTIC 30 BILLION | 63 B- | $1.20 |
| 6 | Bluebonnet Nutrition PROBIOTIC & PREBIOTIC 10 BILLION | 63 B- | $0.60 |
| 7 | Culturelle Ultimate Balance for Antibiotics Capsules | 62 B- | $1.10 |
| 8 | Sports Research Daily Probiotics, 60 Billion CFU, 30 Delayed Release Capsules | 52 C | $0.87 |
Scored on dose accuracy, form, label transparency and third-party testing. Per-serving cost is list price divided by servings per container. No brand pays to be listed or ranked.
Common questions
How much Inulin should I take?
The typical range is 5-15 g daily. Start low for tolerance
When should I take Inulin?
Any time. Optional.
Which form of Inulin is best?
Powder — Add to food/drinks. Other forms in the catalog: Capsules.
Is Inulin safe?
Commonly reported: Gas, Bloating, Cramping. Serious warnings: FODMAP intolerance. Safe
Which Inulin supplement scores highest?
Swanson Epic Pro 25-Strain Probiotic, at 76/100. Scored on dose accuracy, form, label transparency and third-party testing — no brand pays to be listed or ranked.
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
- Gut microbiome
- Calcium absorption
- Digestive health
How it works
- Fermented by bifidobacteria
- Produces beneficial SCFAs
- Enhances mineral absorption
Dosage
- Typical range
- 5-15 g daily
- Timing
- Any time
- With food
- Optional
- Duration
- Start low for tolerance
- Special populations
- FODMAPs-sensitive start very low
Forms
- Powder
- Capsules
Safety
Common side effects
- Gas
- Bloating
- Cramping
Contraindications
- 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.
Known interactions
Evidence notes
Well-studied prebiotic
Grade A: Multiple well-designed human trials support the main claims.
Inulin compared head-to-head
Related in Fiber
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 checkerWhere does Inulin fit in your stack?
Answer two questions and get a stack graded on research — every ingredient scored on the evidence behind it, not the marketing.
Build my stack2 questions · free · no account needed to start
Also on iPhone — get the free app
Evidence-based supplement guides, no spam
We send a short digest when new guides drop — nothing else. No affiliate pushes, no sponsored content, unsubscribe anytime.
Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider. Individual needs and risks vary — consult a professional before starting, stopping, or combining supplements, especially if you are pregnant or nursing, taking medication, or managing a health condition.