Fiber

Chicory

Also known as: Cichorium intybus, chicory extract, chicory fiber, inulin source

Evidence

Chicory root extract is a natural source of inulin, a prebiotic fiber that may support digestive health and beneficial gut bacteria. Evidence for its efficacy is moderate, with some studies showing improvements in bowel regularity and microbiota composition.

Last reviewed June 2026 · Evidence graded from peer-reviewed research, not editorial opinion. Educational only — not medical advice.

Find the best Chicory supplements — free

See Chicory products scored on dose & form, then track your intake in the app.

Open app →

Primary uses

Prebiotic fiber supplementation
Gut microbiome support
Digestive health
Bowel regularity
Prebiotic support
Gut microbiota support

How it works

Inulin acts as a prebiotic, selectively promoting growth of beneficial Bifidobacteria and Lactobacillus
Increases fecal bulk and stool frequency
Modulates gut pH and short-chain fatty acid production
Supports intestinal barrier function

Dosage

Typical range: 2–15 grams inulin daily (from chicory root extract or whole root)
Timing: With meals or as directed
With food: Can be taken with or without food; with food may reduce GI discomfort
Duration: Ongoing daily use; effects on microbiota typically observed after 2–4 weeks of consistent use
Special populations: Start with lower doses (2–5 g) and titrate up gradually to minimize initial bloating or gas; not recommended for patients with fructose malabsorption or FODMAP sensitivity

Forms

Powder· 70/100
Extract· 70/100
Whole root· 70/100
Capsules· 70/100
Capsule· 70/100
Dried root· 70/100

Safety

Common side effects

Bloating
Gas
Abdominal discomfort
Loose stools (dose-dependent)

Contraindications

Fructose malabsorption or intolerance
IBS-D (irritable bowel syndrome with diarrhea) — may exacerbate symptoms
Small intestinal bacterial overgrowth (SIBO) — high FODMAP content
Pregnancy and lactation — limited safety data, use with caution

Products containing Chicory

Top-scoring supplements in our catalog that list Chicory on the label. Each product is graded on Formulate's ingredient-level rubric — dose accuracy, form, transparency, and third-party testing.

Nutricost

Chicory Root Capsules

Thorne

Liver Cleanse

See all products →

Evidence notes

Chicory root/inulin has good clinical evidence from multiple RCTs demonstrating prebiotic effects and improvements in gut microbiota composition. Well-established mechanism and consistent positive outcomes in digestive health studies.

Grade B: Some human trials support key claims; further confirmation needed.

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 checker

Where does Chicory 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 stack

2 questions · free · no account needed to start

Also on iPhone — get the free app

📬 Get new guides in your inbox

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.