Fiber
Inulin
Also known as: Chicory root fiber, FOS
A
Evidence
Prebiotic fiber from chicory root that feeds beneficial gut bacteria. Supports microbiome diversity and calcium absorption.
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
Known interactions
Evidence notes
Well-studied prebiotic
Grade A: Multiple well-designed human trials support the main claims.
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 checkerMedical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider.