Supplements
Does chicory-root fibre help you lose weight?
The claim, precisely: inulin-type fructans decreases body weight
Leans support Supplements 🔬 Includes disconfirming
RefutedContestedStrong support
consensus score 0.35
Probably modestly yes, but the effect is small and the main supporting study was industry-funded.
Evidence ladder
How far up the ladder this claim has climbed. A high consensus on a low rung means "consistent so far," not "proven in people."
Top evidence so far: All trials, pooled (Meta-analysis)
MechanismIn-vitroAnimalObservationalRCTMeta-analysis
How the studies fall
2 support 1 contradict 0 tested null 1 mixed · 4 sources, 3 independent groups
What the evidence shows
Chicory inulin-type fructans modestly reduce body weight, BMI and fat mass (dose ~10-16 g/d) in overweight/obesity — real but small, and the anchor MA is industry-funded.
The evidence (4)
| Source | Grade | Stance | Quality | Finding |
|---|---|---|---|---|
| Pokushalov 2024 · Nutrients | RCT | supports | moderate | Fiber blend incl inulin produced 4.9% weight loss vs placebo over 180d (combo, partial attribution) |
| Reimer RA, Theis S, Zanzer YC 2024 · Am J Clin Nutr | meta-analysis | supports | moderate | Small significant reductions in weight/BMI/fat mass; BENEO (manufacturer) funding flag ⚠️ correction-on-file (Crossref) - kept, corrigendum not retraction |
| Pugh 2024 · EClinicalMedicine | RCT | mixed | moderate | Inulin-propionate ester did not prevent 12-mo weight gain vs inulin control in younger overweight adults |
| Liber 2014 · Br J Nutr | RCT | contradicts | moderate | 12-wk oligofructose had no effect on BMI/body weight vs placebo in overweight/obese children |
Educational only, not medical advice. Grades and scores reflect published evidence weighted by study design and quality; see the methodology.