Partially Hydrolyzed Guar Gum (PHGG) für Irritable Bowel Syndrome (IBS)

Q: Does Partially Hydrolyzed Guar Gum (PHGG) help with Irritable Bowel Syndrome (IBS)?

Based on 5 studies with 350 participants, there is moderate evidence from clinical studies that Partially Hydrolyzed Guar Gum (PHGG) may support Irritable Bowel Syndrome (IBS) management. Our evidence grade is B (Good Evidence).

Q: How much Partially Hydrolyzed Guar Gum (PHGG) should I take for Irritable Bowel Syndrome (IBS)?

Studies have used various dosages. A commonly studied range is 5-7 g/day. Always consult your healthcare provider before starting any supplement regimen.

Q: Are there side effects of Partially Hydrolyzed Guar Gum (PHGG)?

Reported side effects may include Minimal gas and bloating (significantly less than other fibers), Mild abdominal discomfort in rare cases, Loose stools at very high doses. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.

Q: How strong is the evidence for Partially Hydrolyzed Guar Gum (PHGG) and Irritable Bowel Syndrome (IBS)?

We rate the evidence as Grade B (Good Evidence). This rating is based on 5 peer-reviewed studies with 350 total participants. The overall direction of effect is positive.

Reduces both IBS-C and IBS-D symptoms. Well-tolerated prebiotic that does not cause excess gas. Also shows promise for SIBO-associated symptoms.

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Fazit

Reduces both IBS-C and IBS-D symptoms. Well-tolerated prebiotic that does not cause excess gas. Also shows promise for SIBO-associated symptoms.

Key Study Findings

Randomized Controlled Trial n=47 8 weeks Double-blind

Effects of a polyphenol-rich extract blend, probiotics, and hydrolyzed fiber on quality of life and …

Dose: None vs.: Placebo (Group I) and partial formulation (Group II) Outcome: IBS quality of life (QoL questionnaire) Wirkung: Dysphoria: median diff -5 (Group III) vs -1 (contr 0.0021 (dysphoria Group III)

Population: Patients with IBS

Controlled Clinical Trial

Changes in intestinal microbiota and biochemical parameters in patients with inflammatory bowel disease and irritable …

Dose: Partially hydrolyzed guar gum (PHGG) vs.: Drug therapy alone Outcome: Gut bacteria ratios and inflammatory markers Wirkung: None None

Population: Patients with IBD or IBS on drug therapy

Controlled Clinical Trial 12.9 weeks

Role of Baseline Gut Microbiota on Response to Fiber Intervention in Individuals with Irritable Bowel …

Dose: None vs.: baseline Outcome: IBS symptom improvement Wirkung: None None

Population: Ibs undertook a 90-day intervention and follow-up

Case Reports

Fibers in pediatric functional gastrointestinal disorders. Practical considerations from clinical cases.

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

Population: None

Randomized Controlled Trial 13.0 weeks Double-blind

Effect of Repeated Consumption of Partially Hydrolyzed Guar Gum on Fecal Characteristics and Gut Microbiota: …

Dose: None vs.: Placebo Outcome: Bowel function Wirkung: None p=0.05

Population: healthy volunteers

Randomized Controlled Trial 12 weeks

Randomized clinical study: Partially hydrolyzed guar gum (PHGG) versus placebo in the treatment of patients …

Dose: partially hydrolyzed guar gum (PHGG) 5g/day vs.: placebo Outcome: IBS-SSS and bloating severity Wirkung: significant improvement in overall IBS-SSS <0.05

Population: Adults with IBS

Key Statistics

Studien

350

Teilnehmer

↑

Positive

Bewertung

Referenced Papers

Effects of a polyphenol-rich extract blend, probiotics, and hydrolyzed fiber on quality of life and gut health markers in patients … Other

Frontiers in nutrition 2025 3 Zitierungen

Changes in intestinal microbiota and biochemical parameters in patients with inflammatory bowel disease and irritable bowel syndrome induced by the … Other

The journal of … 2024 2 Zitierungen

Role of Baseline Gut Microbiota on Response to Fiber Intervention in Individuals with Irritable Bowel Syndrome. Other

Nutrients 2023 3 Zitierungen

Fibers in pediatric functional gastrointestinal disorders. Practical considerations from clinical cases. Case Report

Expert review of … 2021 7 Zitierungen

Effect of Repeated Consumption of Partially Hydrolyzed Guar Gum on Fecal Characteristics and Gut Microbiota: A Randomized, Double-Blind, Placebo-Controlled, and … RCT

Nutrients 2019 68 Zitierungen

Randomized clinical study: Partially hydrolyzed guar gum (PHGG) versus placebo in the treatment of patients with irritable bowel syndrome. Other

Nutrition & metabolism 2016 61 Zitierungen

Probiotics for Irritable Bowel Syndrome: Clinical Data in Children. Systematic Review

Journal of pediatric … 2016 19 Zitierungen

Partially hydrolyzed guar gum in the treatment of irritable bowel syndrome with constipation: effects of gender, age, and body mass … Observational

Saudi journal of … 2015 32 Zitierungen

Partially hydrolyzed guar gum in pediatric functional abdominal pain. RCT

World journal of … 2013 69 Zitierungen

Role of PHGG as a dietary fiber: a review article. Review

Minerva gastroenterologica e … 2013

Role of partially hydrolyzed guar gum in the treatment of irritable bowel syndrome. Review

Nutrition (Burbank, Los … 2006 119 Zitierungen

Treatment effects of partially hydrolyzed guar gum on symptoms and quality of life of patients with irritable bowel syndrome. A … RCT

Digestive diseases and … 2005 55 Zitierungen

Partially hydrolyzed guar gum: clinical nutrition uses. Review

Nutrition (Burbank, Los … 2003 143 Zitierungen

High-fiber diet supplementation in patients with irritable bowel syndrome (IBS): a multicenter, randomized, open trial comparison between wheat bran diet … RCT

Digestive diseases and … 2002 117 Zitierungen

Dosage & Usage

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

Übliche Dosierungen

general:: 5-7 g/day
ibssupport:: 5 g/day for 4-12 weeks
siboadjunct:: 5 g/day alongside antimicrobial therapy

Obergrenze: Well-tolerated up to 36 g/day in clinical trials

In der Forschung untersuchte Dosierungen

Dosierung	Dauer	Wirkung	N
None	8 weeks	Positive	47
Partially hydrolyzed guar gum (PHGG)	--	Positive	--
None	12.9 weeks	Positive	--
None	--	Positive	--
None	13.0 weeks	Mixed	--
partially hydrolyzed guar gum (PHGG) 5g/day	12 weeks	Positive	--
various probiotic strains	--	Mixed	--
None	4.0 weeks	Positive	--

Beste Einnahmezeit: Mixed into food or beverages; dissolves completely without altering texture

Safety & Side Effects

Gemeldete Nebenwirkungen

⚠ Minimal gas and bloating (significantly less than other fibers)
⚠ Mild abdominal discomfort in rare cases
⚠ Loose stools at very high doses

Bekannte Wechselwirkungen

● May slow absorption of some medications (space 1-2 hours)
● Diabetes medications (may modestly affect blood glucose)

Tolerierbare Höchstaufnahmemenge: Well-tolerated up to 36 g/day in clinical trials

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

Frequently Asked Questions

Does Partially Hydrolyzed Guar Gum (PHGG) help with Irritable Bowel Syndrome (IBS)?

Based on 5 studies with 350 participants, there is moderate evidence from clinical studies that Partially Hydrolyzed Guar Gum (PHGG) may support Irritable Bowel Syndrome (IBS) management. Our evidence grade is B (Good Evidence).

How much Partially Hydrolyzed Guar Gum (PHGG) should I take for Irritable Bowel Syndrome (IBS)?

Studies have used various dosages. A commonly studied range is 5-7 g/day. Always consult your healthcare provider before starting any supplement regimen.

Are there side effects of Partially Hydrolyzed Guar Gum (PHGG)?

Reported side effects may include Minimal gas and bloating (significantly less than other fibers), Mild abdominal discomfort in rare cases, Loose stools at very high doses. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.

How strong is the evidence for Partially Hydrolyzed Guar Gum (PHGG) and Irritable Bowel Syndrome (IBS)?

We rate the evidence as Grade B (Good Evidence). This rating is based on 5 peer-reviewed studies with 350 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 Bifidobacterium longum B Bacillus coagulans B

Partially Hydrolyzed Guar Gum (PHGG) für andere Beschwerden

Small Intestinal Bacterial Overgrowth (SIBO) C

Kurzfazit

Reduces both IBS-C and IBS-D symptoms. Well-tolerated prebiotic that does not cause excess gas. Also shows promise for SIBO-associated symptoms.

Evidence Strength72%

High confidence

Studienübersicht

RCT (4)Meta (0)Other (1)

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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