Galactooligosaccharides (GOS) für Irritable Bowel Syndrome (IBS)

Reduces IBS symptoms (pain, bloating, flatulence) in dose-dependent manner. 3.5 g/day showed better results than 7 g/day (excess fermentation at higher dose).

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Fazit

Reduces IBS symptoms (pain, bloating, flatulence) in dose-dependent manner. 3.5 g/day showed better results than 7 g/day (excess fermentation at higher dose).

Key Study Findings

Review

Interplay of probiotics, prebiotics, synbiotics and postbiotics: a review of their therapeutic potential for gastrointestinal …

Dose: None vs.: None Outcome: None Wirkung: None None

Population: review of prebiotics, probiotics, synbiotics, postbiotics for gastrointestinal inflammation

Randomized Controlled Trial n=45 12 weeks Double-blind

All FODMAPs Aren't Created Equal: Results of a Randomized Reintroduction Trial in Patients With Irritable …

Dose: None vs.: Sequential FODMAP subgroup reintroduction Outcome: Abdominal pain and bloating severity Wirkung: None p=0.007 fructans; p=0.04 GOS

Population: IBS patients (Rome IV) who improved on FODMAP diet

Randomized Controlled Trial 4 weeks Double-blind

Is a Simplified, Less Restrictive Low FODMAP Diet Possible? Results From a Double-Blind, Pilot Randomized …

Dose: None vs.: Traditional low FODMAP diet Outcome: IBS symptom response Wirkung: None None

Population: IBS-D patients (Rome IV)

Systematic Review

Nutritional Interventions in Adult Patients With Irritable Bowel Syndrome: An Umbrella Review of Systematic Reviews …

Dose: None vs.: Various Outcome: IBS symptom improvement Wirkung: Probiotics abdominal pain RR 4.04 (2.36-6.92) None

Population: Adult IBS patients

Randomized Controlled Trial n=34 8 weeks Single-blind

A randomized trial of inulin for bowel symptoms, depression and quality of life in constipation …

Dose: 9.2 g/day total (4.6 g twice daily) vs.: Maltodextrin 9.2 g/day placebo Outcome: IBS-SSS score and IBS-QoL score Wirkung: IBS-SSS: 267.3→195.8; IBS-QoL: 61.0→77.4 0.026 (IBS-SSS); 0.006 (QoL)

Population: Adults with constipation-predominant IBS

Other

Biotechnological Tools for the Production of Low-FODMAP Wholegrain Wheat and Rye Cookies and Crackers.

Dose: None vs.: Standard wholegrain flour products Outcome: FODMAP content reduction in cookies and crackers Wirkung: Up to 99.5% FODMAP reduction (wheat malt) None

Population: Laboratory food science study (no human subjects)

Key Statistics

Studien

400

Teilnehmer

↑

Positive

Bewertung

Referenced Papers

Interplay of probiotics, prebiotics, synbiotics and postbiotics: a review of their therapeutic potential for gastrointestinal inflammation. Review

Food research international … 2026

Is a Simplified, Less Restrictive Low FODMAP Diet Possible? Results From a Double-Blind, Pilot Randomized Controlled Trial. RCT

Clinical gastroenterology and … 2025 19 Zitierungen

All FODMAPs Aren't Created Equal: Results of a Randomized Reintroduction Trial in Patients With Irritable Bowel Syndrome. RCT

Clinical gastroenterology and … 2025 12 Zitierungen

Nutritional Interventions in Adult Patients With Irritable Bowel Syndrome: An Umbrella Review of Systematic Reviews and Meta-analyses of Randomized Clinical … Systematic Review

Nutrition reviews 2025 10 Zitierungen

Lactobacillus plantarum and Galacto-Oligosaccharides Synbiotic Relieve Irritable Bowel Syndrome by Reshaping Gut Microbiota and Attenuating Mast Cell Hyperactivation. Other

Nutrients 2025 6 Zitierungen

FODMAP Profile of Wholegrain Pasta. Other

Foods (Basel, Switzerland) 2025 3 Zitierungen

A randomized trial of inulin for bowel symptoms, depression and quality of life in constipation predominant IBS. RCT

Scientific reports 2025 2 Zitierungen

Biotechnological Tools for the Production of Low-FODMAP Wholegrain Wheat and Rye Cookies and Crackers. Other

Foods (Basel, Switzerland) 2025 1 Zitierungen

Clinical Applications of Bovine Colostrum in GastrointestinaI Disorders: Mechanisms, Evidence, and Therapeutic Potential. Review

International journal of … 2025

Modification of the Low FODMAP Diet Is Feasible in the Treatment of Irritable Bowel Syndrome: A Randomised Crossover Study. Other

Gastroenterology research and … 2025

A non-pharmacological intervention for insomnia: tryptophan-fructooligosaccharides combination improves sleep in mice via anti-inflammation and gut microbiota modulation. Other

Food & function 2025

Efficacy and Findings of a Blinded Randomized Reintroduction Phase for the Low FODMAP Diet in Irritable Bowel Syndrome. RCT

Gastroenterology 2024 24 Zitierungen

FODMAP reduction strategies for nutritionally valuable baking products: current state and future challenges. Review

Critical reviews in … 2024 7 Zitierungen

Efficacy and Safety of a Mixture of Microencapsulated Sodium Butyrate, Probiotics, and Short Chain Fructooligosaccharides in Patients with Irritable Bowel … Other

Journal of clinical … 2024 4 Zitierungen

Postbiotics: A new member in the biotics family. Other

Archivos argentinos de … 2024 3 Zitierungen

Laboratory domestication of Lactiplantibacillus plantarum alters some phenotypic traits but causes non-novel genomic impact. Other

Journal of applied … 2024 1 Zitierungen

Safety and Tolerability of Microbial Inulinase Supplementation in Healthy Adults: A Randomized, Placebo-Controlled Trial. Other

Gastro hep advances 2024 1 Zitierungen

Microbial inulinase promotes fructan hydrolysis under simulated gastric conditions. Other

Frontiers in nutrition 2023 8 Zitierungen

Food contributing to fermentable oligosaccharide, disaccharide, monosaccharide, and polyols intake in Korean adults. Other

Nutrition research and … 2023 2 Zitierungen

[Clinical efficacy of a modern probiotic for the correction of intestinal microflora in patients with irritable bowel syndrome with diarrhea … Other

Voprosy pitaniia 2023

Inulin as a functional ingredient and their applications in meat products. Review

Carbohydrate polymers 2022 77 Zitierungen

Dietary Modification for the Restoration of Gut Microbiome and Management of Symptoms in Irritable Bowel Syndrome. Review

American journal of … 2022 18 Zitierungen

Increased fermentable carbohydrate intake alters colonic mucus barrier function through glycation processes and increased mast cell counts. Other

FASEB journal : … 2022 16 Zitierungen

Effects of Microencapsulated Sodium Butyrate, Probiotics and Short Chain Fructooligosaccharides in Patients with Irritable Bowel Syndrome: A Study Protocol of … Other

Journal of clinical … 2022 12 Zitierungen

The challenges of implementing low fermentable oligo-, di-, mono-saccharides and polyol diet in India: An analysis of available data. Other

Indian journal of … 2022 11 Zitierungen

A Randomized, Double-Blind, Placebo-Controlled Trial to Evaluate the Effects of Multi-Strain Synbiotic in Patients with Functional Diarrhea and High Fecal … RCT

Nutrients 2022 8 Zitierungen

Current evidence on the therapeutic use of fiber in irritable bowel syndrome. Other

Expert review of … 2022 8 Zitierungen

Nutritional and anti-nutritional properties of lentil (Lens culinaris) protein isolates prepared by pilot-scale processing. Other

Food chemistry: X 2021 64 Zitierungen

Best management of irritable bowel syndrome. Review

Frontline gastroenterology 2021 56 Zitierungen

The Effects of Human Milk Oligosaccharides on Gut Microbiota, Metabolite Profiles and Host Mucosal Response in Patients with Irritable Bowel … RCT

Nutrients 2021 36 Zitierungen

FODMAP Fingerprinting of Bakery Products and Sourdoughs: Quantitative Assessment and Content Reduction through Fermentation. Other

Foods (Basel, Switzerland) 2021 10 Zitierungen

FODMAP Consumption by Adults from the French Population-Based NutriNet-Santé Cohort. Other

The Journal of … 2021 6 Zitierungen

Dietary interventions and irritable bowel syndrome - what really works? Review

Current opinion in … 2021 6 Zitierungen

A randomized double-blind placebo-controlled crossover pilot study: Acute effects of the enzyme α-galactosidase on gastrointestinal symptoms in irritable bowel syndrome … RCT

Neurogastroenterology and motility 2021 4 Zitierungen

Effects of Low FODMAP Diet on Symptoms, Fecal Microbiome, and Markers of Inflammation in Patients With Quiescent Inflammatory Bowel Disease … RCT

Gastroenterology 2020 290 Zitierungen

The Effectiveness of Synbiotic Preparation Containing Lactobacillus and Bifidobacterium Probiotic Strains and Short Chain Fructooligosaccharides in Patients with Diarrhea Predominant … RCT

Nutrients 2020 78 Zitierungen

β-Galactooligosaccharide in Conjunction With Low FODMAP Diet Improves Irritable Bowel Syndrome Symptoms but Reduces Fecal Bifidobacteria. RCT

The American journal … 2020 75 Zitierungen

Herbal formula improves upper and lower gastrointestinal symptoms and gut health in Australian adults with digestive disorders. CCT

Nutrition research (New … 2020 42 Zitierungen

Lactose and Fructo-oligosaccharides Increase Visceral Sensitivity in Mice via Glycation Processes, Increasing Mast Cell Density in Colonic Mucosa. Other

Gastroenterology 2020 41 Zitierungen

Variability in yeast invertase activity determines the extent of fructan hydrolysis during wheat dough fermentation and final FODMAP levels in … Other

International journal of … 2020 30 Zitierungen

Is Bacillus coagulans supplementation plus low FODMAP diet superior to low FODMAP diet in irritable bowel syndrome management? RCT

European journal of … 2020 20 Zitierungen

Canadian Association of Gastroenterology Clinical Practice Guideline for the Management of Irritable Bowel Syndrome (IBS). Other

Journal of the … 2019 171 Zitierungen

Prebiotics in irritable bowel syndrome and other functional bowel disorders in adults: a systematic review and meta-analysis of randomized controlled … Meta-Analysis

The American journal … 2019 108 Zitierungen

Review article: biological mechanisms for symptom causation by individual FODMAP subgroups - the case for a more personalised approach to … Review

Alimentary pharmacology & … 2019 36 Zitierungen

Processing methods for reducing alpha-galactosides in pulses. Review

Critical reviews in … 2019 35 Zitierungen

Technological Methods for Reducing the Content of Fructan in Wheat Bread. Other

Foods (Basel, Switzerland) 2019 21 Zitierungen

Influence of Dietary Restriction on Irritable Bowel Syndrome. Review

The American journal … 2019 15 Zitierungen

Volatile Organic Compounds in Feces Associate With Response to Dietary Intervention in Patients With Irritable Bowel Syndrome. RCT

Clinical gastroenterology and … 2018 100 Zitierungen

Increasing Symptoms in Irritable Bowel Symptoms With Ingestion of Galacto-Oligosaccharides Are Mitigated by α-Galactosidase Treatment. RCT

The American journal … 2018 49 Zitierungen

Impact of Cultivation Method and Cultivar Selection on Soluble Carbohydrates and Pungent Principles in Onions ( Allium cepa L.). Other

Journal of agricultural … 2018 13 Zitierungen

Prebiotic inulin-type fructans and galacto-oligosaccharides: definition, specificity, function, and application in gastrointestinal disorders. Review

Journal of gastroenterology … 2017 255 Zitierungen

FODMAPs: food composition, defining cutoff values and international application. Review

Journal of gastroenterology … 2017 181 Zitierungen

Dietary fiber in irritable bowel syndrome (Review). Other

International journal of … 2017 146 Zitierungen

Effects of scFOS on the composition of fecal microbiota and anxiety in patients with irritable bowel syndrome: a randomized, double … RCT

Neurogastroenterology and motility 2017 131 Zitierungen

Fermentable Carbohydrates [FODMAPs] Exacerbate Functional Gastrointestinal Symptoms in Patients With Inflammatory Bowel Disease: A Randomised, Double-blind, Placebo-controlled, Cross-over, Re-challenge Trial. RCT

Journal of Crohn's … 2017 122 Zitierungen

When the low FODMAP diet does not work. Review

Journal of gastroenterology … 2017 32 Zitierungen

Irritable bowel syndrome and diet: where are we in 2018? Review

Current opinion in … 2017 24 Zitierungen

Gastrointestinal tolerance of low FODMAP oral nutrition supplements in healthy human subjects: a randomized controlled trial. RCT

Nutrition journal 2017 10 Zitierungen

Editorial: metabolic adaptation of colonic microbiota to galactooligosaccharides - good news for prebiotics in irritable bowel syndrome? Other

Alimentary pharmacology & … 2017

Diet and nutritional factors in inflammatory bowel diseases. Review

World journal of … 2016 238 Zitierungen

Does oral α-galactosidase relieve irritable bowel symptoms? RCT

Scandinavian journal of … 2016 17 Zitierungen

[Non-allergic gluten sensitivity. A controversial disease - or not yet sufficiently explored?]. Other

Bundesgesundheitsblatt, Gesundheitsforschung, Gesundheitsschutz 2016 2 Zitierungen

The Low FODMAP Diet and Its Application in East and Southeast Asia. Other

Journal of neurogastroenterology … 2015 60 Zitierungen

Fermentable carbohydrate restriction reduces luminal bifidobacteria and gastrointestinal symptoms in patients with irritable bowel syndrome. RCT

The Journal of … 2012 558 Zitierungen

Health benefits of probiotics and prebiotics in women. Review

Menopause international 2009 29 Zitierungen

Clinical trial on the efficacy of a new symbiotic formulation, Flortec, in patients with irritable bowel syndrome: a multicenter, randomized … RCT

Journal of clinical … 2008 73 Zitierungen

Review article: prebiotics in the gastrointestinal tract. Review

Alimentary pharmacology & … 2006 629 Zitierungen

Beneficial health effects of low-digestible carbohydrate consumption. Review

The British journal … 2001 166 Zitierungen

Efficacy, safety, and tolerability of fructooligosaccharides in the treatment of irritable bowel syndrome. RCT

The American journal … 2000 136 Zitierungen

Dosage & Usage

mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units

Übliche Dosierungen

general:: 2.5-5 g/day
ibssupport:: 3.5 g/day (optimal dose; higher doses may increase symptoms)
infantgutsupport:: 0.24-0.48 g/100 mL formula (added to infant formula)

Obergrenze: Well-tolerated up to 15 g/day; optimal dose appears to be 3.5-5 g/day

In der Forschung untersuchte Dosierungen

Dosierung	Dauer	Wirkung	N
None	--	Positive	--
None	12 weeks	Negative	45
None	4 weeks	Mixed	--
None	--	Positive	--
9.2 g/day total (4.6 g twice daily)	8 weeks	Positive	34
None	--	Positive	--
1e9 CFU/day + GOS 10 g/L	--	Positive	--
None	--	Neutral	--

Beste Einnahmezeit: With meals; start with lower dose and increase gradually

Safety & Side Effects

Gemeldete Nebenwirkungen

⚠ Gas and bloating (especially above 5 g/day; dose-response is U-shaped)
⚠ Flatulence at higher doses
⚠ Abdominal cramping if dose increased too quickly
⚠ May worsen symptoms in FODMAP-sensitive individuals

Bekannte Wechselwirkungen

● Other FODMAPs (cumulative fermentation in sensitive individuals)
● Lactose-containing products (GOS is derived from lactose; generally safe for lactose-intolerant individuals as GOS itself is lactose-free)

Tolerierbare Höchstaufnahmemenge: Well-tolerated up to 15 g/day; optimal dose appears to be 3.5-5 g/day

Konsultieren Sie immer Ihren Arzt, bevor Sie ein Nahrungsergänzungsmittel einnehmen.Konsultieren Sie immer Ihren Arzt, bevor Sie ein Nahrungsergänzungsmittel einnehmen.

Frequently Asked Questions

Does Galactooligosaccharides (GOS) help with Irritable Bowel Syndrome (IBS)?

Based on 3 studies with 400 participants, there is moderate evidence from clinical studies that Galactooligosaccharides (GOS) may support Irritable Bowel Syndrome (IBS) management. Our evidence grade is B (Good Evidence).

How much Galactooligosaccharides (GOS) should I take for Irritable Bowel Syndrome (IBS)?

Studies have used various dosages. A commonly studied range is 2.5-5 g/day. Always consult your healthcare provider before starting any supplement regimen.

Are there side effects of Galactooligosaccharides (GOS)?

Reported side effects may include Gas and bloating (especially above 5 g/day; dose-response is U-shaped), Flatulence at higher doses, Abdominal cramping if dose increased too quickly, May worsen symptoms in FODMAP-sensitive individuals. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.

How strong is the evidence for Galactooligosaccharides (GOS) and Irritable Bowel Syndrome (IBS)?

We rate the evidence as Grade B (Good Evidence). This rating is based on 3 peer-reviewed studies with 400 total participants. The overall direction of effect is positive.

Related Evidence

Andere Inhaltsstoffe für Irritable Bowel Syndrome (IBS)

Peppermint Oil A Lactobacillus rhamnosus GG B Psyllium Husk B Lactobacillus plantarum B Partially Hydrolyzed Guar Gum (PHGG) B Bifidobacterium longum B

Kurzfazit

Reduces IBS symptoms (pain, bloating, flatulence) in dose-dependent manner. 3.5 g/day showed better results than 7 g/day (excess fermentation at higher dose).

Evidence Strength72%

High confidence

Studienübersicht

RCT (20)Meta (1)Other (0)

Alternativen vergleichen

Sehen Sie, wie andere Inhaltsstoffe bei dieser Beschwerde abschneiden.

Alle Inhaltsstoffe ansehen für Irritable Bowel Syndrome (IBS)

Mehr erfahren

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