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Open AccessVollständige AnalyseJun 18, 2026

Chicory RG-I modulates gut microbiota and immune responses in healthy adults

The provided text contains no numerical results; effect direction cannot be determined from the available material.

The question (PICO)
PopulationHealthy adults (demographic characteristics not reported in the available text)
InterventionOral supplementation of 500 mg/day chicory root rhamnogalacturonan-I (chRG-I)
VergleichControl group (nature — placebo, no intervention, or habitual diet — not specified in the available text)
EndpunktGut microbiota composition and function; immune responses (specific markers not described in the available text)
DEvidenz
Studie
Randomized controlled trial
Effekt
Unzureichend
Zusammenfassung der Ergebnisse nach Endpunkt
EndpunktGradRichtungEffektStudien
Gut microbiota composition (bifidobacteria abundance)D Unzureichendnão reportado
Immune response markersD Unzureichendnão reportado
Fecal short-chain fatty acids (SCFA)D Unzureichendnão reportado
Gut microbiota composition (bifidobacteria abundance)D
Richtung Unzureichend
Effektnão reportado
Studien
Immune response markersD
Richtung Unzureichend
Effektnão reportado
Studien
Fecal short-chain fatty acids (SCFA)D
Richtung Unzureichend
Effektnão reportado
Studien

Kontext

RG-I is a structurally complex pectin domain with putative prebiotic and immunomodulatory properties. Prior trials using 300 mg and 1500 mg/day of RG-I from other sources demonstrated microbiota modulation in healthy adults. This trial tests 500 mg/day of chicory-derived RG-I (chRG-I), a structurally distinct source and by-product of industrial inulin extraction.

Was die Studie zeigte

The available text contains no results section with numerical data. No absolute values, relative values, 95% CIs, or effect sizes can be extracted. Effect direction remains undetermined based on the supplied material.

Wie es durchgeführt wurde

Randomized controlled trial (RCT), as stated in the title and keywords. Sample size, intervention duration, inclusion/exclusion criteria, and randomization procedures are not described in the available text.

Effektgröße

Not reported in the available text. No effect size with CI can be calculated or extracted.

Einschränkungen

The full results and discussion sections were not provided — only the introduction is present, repeated three times. No risk-of-bias tool (RoB 2, ROBINS-I) could be applied. Critical appraisal is structurally compromised by the absence of primary data.

In der klinischen Praxis

No clinical recommendation can be issued based on the available material. Clinicians must not extrapolate clinical effects from studies whose results are unavailable for review.

Was noch fehlt

Complete trial results are required — including relative abundance data for bifidobacteria, immune markers, fecal SCFA, and adverse events — before any clinical inference is possible.

Quelle: DOI 10.20517/mrr.2026.04 · 2026

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