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.
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 | MegaFood Baby & Me 2 Prenatal Probiotic + Prebiotic | 88 A | $1.10 |
| 2 | Seed PM-02™ Sleep + Restore Supplement | 86 A- | $1.17 |
| 3 | Garden of Life Dr. Formulated Probiotics Urinary Tract+ | 83 A- | $1.19 |
| 4 | Garden of Life Dr. Formulated Probiotics Prostate+ | 83 A- | $1.19 |
| 5 | Codeage Gut Health Formula | 79 B+ | $0.67 |
| 6 | Garden of Life Dr. Formulated Probiotics Organic Kids+ - Berry Cherry | 78 B+ | $0.76 |
| 7 | Garden of Life Dr. Formulated Probiotics Organic Kids+ - Watermelon | 78 B+ | $0.76 |
| 8 | BioSchwartz Greens Superfood Powder | 77 B+ | $1.00 |
| 9 | NatureWise Max Care Probiotics | 75 B+ | $0.60 |
| 10 | Olly Probiotic + Prebiotic | 74 B+ | $0.47 |
| 11 | Integrative Therapeutics Pro-Biome | 70 B | $1.26 |
| 12 | Physician's Choice Women's Probiotic | 66 B- | $0.98 |
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 5-15g daily, start with 2-3g. Ongoing for gut health
When should I take Inulin?
Any time, with food or drinks. Either way.
Which form of Inulin is best?
Powder — Easy to add to foods. Other forms in the catalog: Capsules, In foods.
Is Inulin safe?
Commonly reported: Gas, Bloating, Cramping if too much too fast. Serious warnings: Start low - can cause significant gas. Safe
Which Inulin supplement scores highest?
MegaFood Baby & Me 2 Prenatal Probiotic + Prebiotic, at 88/100. 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
- Bifidobacteria food
- Gut health
- Mineral absorption
What systematic reviews concluded
Outcomes that systematic reviews of Inulin reached a verdict on: 4 with a benefit, 4 unclear. Each is quoted from a review and linked to it on PubMed. How these were read.
Reviews found a benefit (4)
“Chicory ITF supplementation may benefit weight management by reducing body weight, BMI, fat mass, waist circumference, and, to a certain extent, body fat percentage.” PMID 39313030
“ITF have a prebiotic effect on the intestinal microbiota, promoting the abundances of Bifidobacterium, Lactobacillus, and Faecalibacterium prausnitzii.” PMID 34555168
“Beneficial health effects reported following ITF intake include improved intestinal barrier function, improved laxation, increased insulin sensitivity, decreased triglycerides and an improved lipid profile, increased absorption of calcium and magnesium, and increased satiety.” PMID 34555168
“Probiotic/synbiotic interventions led to significant reductions in CRP (SMD = -0.54), IL-6 (SMD = -0.41), and TNF-α (SMD = -0.48), along with an increase in IL-10 (SMD = +0.38).” PMID 41059033
Not enough to say: dental caries; cystic fibrosis outcomes; short-chain fatty acid production; celiac disease markers.
1 finding from reviews in specific patient groups (such as cancer, pregnancy or surgery) is not shown here.
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.
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
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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.