Inulin لـ Chronic Constipation

Q: Does Inulin help with Chronic Constipation?

Based on 6 studies with 400 participants, there is moderate evidence from clinical studies that Inulin may support Chronic Constipation management. Our evidence grade is B (Good Evidence).

Q: How much Inulin should I take for Chronic Constipation?

Studies have used various dosages. A commonly studied range is 5-10 g/day. Always consult your healthcare provider before starting any supplement regimen.

Q: Are there side effects of Inulin?

Reported side effects may include Gas and bloating (common at higher doses; start with 3-5 g/day and titrate up), Abdominal cramping, Flatulence, 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 Inulin and Chronic Constipation?

We rate the evidence as Grade B (Good Evidence). This rating is based on 6 peer-reviewed studies with 400 total participants. The overall direction of effect is positive.

Meta-analysis confirms inulin (12 g/day) increases stool frequency by ~0.8 stools/week and improves stool consistency. Bifidogenic effect is well-established.

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الخلاصة

Meta-analysis confirms inulin (12 g/day) increases stool frequency by ~0.8 stools/week and improves stool consistency. Bifidogenic effect is well-established.

Key Study Findings

Review

Prebiotics and Gut Health: Mechanisms, Clinical Evidence, and Future Directions.

Dose: None مقابل: None Outcome: gut health outcomes including microbiota modulation and SCFA … التأثير: None None

المجتمع المدروس: healthy individuals, children, elderly, and those with constipation, metabolic syndrome, or dysbiosis

Randomized Controlled Trial n=39 4 weeks Double-blind

Inulin-induced improvements on bowel habit and gut microbiota in adults with functional constipation: findings of …

Dose: 12 g/day chicory inulin مقابل: Placebo (crossover design) Outcome: Stool frequency and PAC-QOL/PAC-SYM scores التأثير: None None

المجتمع المدروس: Adults with functional constipation (Rome III)

Review

Dietary Fiber: A Comprehensive Review of Its Sources, Health Benefits, and Mechanisms Driving Nutraceutical Effects.

Dose: None مقابل: None Outcome: None التأثير: None None

المجتمع المدروس: None

Controlled Clinical Trial n=20 2 weeks Open-label

Yeast mannans promote laxation and specifically modulate microbiota composition in older adults: An open-label pilot …

Dose: 15 g/day مقابل: Baseline (pre-intervention) Outcome: GI symptoms and stool frequency التأثير: Stool freq 0.84 to 1.19/day (P=.016) P=.016

المجتمع المدروس: Older adults (71.4 +/- 11.0 y)

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) مقابل: Maltodextrin 9.2 g/day placebo Outcome: IBS-SSS score and IBS-QoL score التأثير: IBS-SSS: 267.3→195.8; IBS-QoL: 61.0→77.4 0.026 (IBS-SSS); 0.006 (QoL)

المجتمع المدروس: Adults with constipation-predominant IBS

In Vitro 2 weeks

Different Efficacy of Five Soluble Dietary Fibers on Alleviating Loperamide-Induced Constipation in Mice: Influences of …

Dose: None مقابل: Loperamide-induced constipated mice Outcome: GI transit rate, fecal moisture, gut microbiota التأثير: None p<0.05

المجتمع المدروس: Loperamide-induced constipated mice (14-day study)

Key Statistics

الدراسات

400

المشاركون

↑

Positive

التقييم

Referenced Papers

Prebiotics and Gut Health: Mechanisms, Clinical Evidence, and Future Directions. Review

Nutrients 2026 1 اقتباسات

Different Efficacy of Five Soluble Dietary Fibers on Alleviating Loperamide-Induced Constipation in Mice: Influences of Different Structural Features. Other

International journal of … 2025 6 اقتباسات

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

Scientific reports 2025 2 اقتباسات

Dietary Fiber: A Comprehensive Review of Its Sources, Health Benefits, and Mechanisms Driving Nutraceutical Effects. Other

Recent advances in … 2025 1 اقتباسات

Inulin-induced improvements on bowel habit and gut microbiota in adults with functional constipation: findings of a randomized, double-blind, placebo-controlled study. RCT

BMC gastroenterology 2025 1 اقتباسات

Yeast mannans promote laxation and specifically modulate microbiota composition in older adults: An open-label pilot study. Other

Nutrition research (New … 2025

Assessing the Efficacy of Functional Food as Treatment for Irritable Bowel Syndrome with Constipation: A Systematic Review and Network Meta-Analysis. Other

Nutrition reviews 2025

Dietary inulin alleviated constipation induced depression and anxiety-like behaviors: Involvement of gut microbiota and microbial metabolite short-chain fatty acid. Other

International journal of … 2024 32 اقتباسات

Synbiotic supplementation may globally improve non-motor symptoms in patients with stable Parkinson's disease: results from an open label single-arm study. Other

Scientific reports 2024 22 اقتباسات

The effects of synbiotics on the liver steatosis, inflammation, and gut microbiome of metabolic dysfunction-associated liver disease patients-randomized trial. RCT

Romanian journal of … 2024 20 اقتباسات

Effects of garlic-derived fructan and oligofructose mixtures on intestinal health and constipation relief in mice. Other

Journal of the … 2024 6 اقتباسات

[Phytotherapeutic recommendations in medical guidelines for the treatment of gastroenterological diseases - a systematic review]. Systematic Review

Zeitschrift fur Gastroenterologie 2024 3 اقتباسات

Formulation and Physical-Chemical Analysis of Functional Muffin Made with Inulin, Moringa, and Cacao Adapted for Elderly People with Parkinson's Disease. Other

Antioxidants (Basel, Switzerland) 2024 2 اقتباسات

Effects of inulin on fecal microbiota and specific immunity in cats. Other

Research in veterinary … 2024 2 اقتباسات

Inulin: properties and health benefits. Review

Food & function 2023 128 اقتباسات

Constipation-Predominant Irritable Bowel Syndrome (IBS-C): Effects of Different Nutritional Patterns on Intestinal Dysbiosis and Symptoms. Review

Nutrients 2023 53 اقتباسات

Evaluation of the Efficacy of Kombucha-Based Drink Enriched with Inulin and Vitamins for the Management of Constipation-Predominant Irritable Bowel Syndrome … Other

Current developments in … 2023 13 اقتباسات

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

Carbohydrate polymers 2022 77 اقتباسات

Fiber-enriched botanicals: A therapeutic tool against certain metabolic ailments. Review

Food science & … 2022 52 اقتباسات

Probiotics, prebiotics, and synbiotics in chronic constipation: Outstanding aspects to be considered for the current evidence. Review

Frontiers in nutrition 2022 43 اقتباسات

A study on the effect of symbiotic fermented milk products on human gastrointestinal health: Double-blind randomized controlled clinical trial. Other

Food science & … 2022 12 اقتباسات

Inulin, Choline and Silymarin in the Treatment of Irritable Bowel Syndrome with Constipation-Randomized Case-Control Study. Other

Journal of clinical … 2022 11 اقتباسات

Efficacy and Safety of Over-the-Counter Therapies for Chronic Constipation: An Updated Systematic Review. Systematic Review

The American journal … 2021 62 اقتباسات

Inulin and isomalto-oligosaccharide alleviate constipation and improve reproductive performance by modulating motility-related hormones, short-chain fatty acids, and feces microflora in … RCT

Journal of animal … 2021 20 اقتباسات

The Combined Effects of Magnesium Oxide and Inulin on Intestinal Microbiota and Cecal Short-Chain Fatty Acids. Other

Nutrients 2021 18 اقتباسات

The effects of inulin on gut microbial composition: a systematic review of evidence from human studies. Meta-Analysis

European journal of … 2020 190 اقتباسات

The physiological functions and pharmaceutical applications of inulin: A review. Review

Carbohydrate polymers 2020 140 اقتباسات

Effects of inulin and isomalto-oligosaccharide on diphenoxylate-induced constipation, gastrointestinal motility-related hormones, short-chain fatty acids, and the intestinal flora in rats. Other

Food & function 2020 57 اقتباسات

Jerusalem artichoke (Helianthus tuberosus L.) as a medicinal plant and its natural products. Review

Cellular and molecular … 2020 41 اقتباسات

Lactobacillus reuteri DSM 17938 and Agave Inulin in Children with Cerebral Palsy and Chronic Constipation: A Double-Blind Randomized Placebo Controlled … RCT

Nutrients 2020 24 اقتباسات

Effect of inulin in the treatment of irritable bowel syndrome with constipation (Review). Review

Experimental and therapeutic … 2020 17 اقتباسات

Dietary fiber sources and human benefits: The case study of cereal and pseudocereals. Other

Advances in food … 2019 95 اقتباسات

Inulin Supplementation Reduces Systolic Blood Pressure in Women with Breast Cancer Undergoing Neoadjuvant Chemotherapy. RCT

Cardiovascular therapeutics 2019 20 اقتباسات

Is Fibre an Effective Strategy to Improve Laxation in Long-Term Care Residents? Review

Canadian journal of … 2018 2 اقتباسات

Prebiotic inulin-type fructans induce specific changes in the human gut microbiota. RCT

Gut 2017 465 اقتباسات

Understanding the Physics of Functional Fibers in the Gastrointestinal Tract: An Evidence-Based Approach to Resolving Enduring Misconceptions about Insoluble and … Review

Journal of the … 2017 447 اقتباسات

Efficacy of synbiotic, probiotic, and prebiotic treatments for irritable bowel syndrome in children: A randomized controlled trial. RCT

The Turkish journal … 2016 63 اقتباسات

Effects of Inulin Supplementation in Low- or High-Fat Diets on Reproductive Performance of Sows and Antioxidant Defence Capacity in Sows … RCT

Reproduction in domestic … 2016 41 اقتباسات

Fermented Fiber Supplements Are No Better Than Placebo for a Laxative Effect. Review

Digestive diseases and … 2016 28 اقتباسات

[Dry jelly concentrate with vitamins and dietary fiber in patients with IBS with constipation: a comparative controlled study]. RCT

Voprosy pitaniia 2015 8 اقتباسات

Health effects of dietary fiber. Review

Acta scientiarum polonorum. … 2014 230 اقتباسات

Effectiveness of inulin intake on indicators of chronic constipation; a meta-analysis of controlled randomized clinical trials. Meta-Analysis

Nutricion hospitalaria 2014 56 اقتباسات

A review of dietary fiber and health: focus on raisins. Review

Journal of medicinal … 2011 16 اقتباسات

Health benefits of probiotics and prebiotics in women. Review

Menopause international 2009 29 اقتباسات

[Inulin--potential prebiotic]. Review

Medicinski pregled 2009 1 اقتباسات

Inulin-type prebiotics: a review. (Part 2). Review

Alternative medicine review … 2009

Treatment of irritable bowel syndrome. A case control experience. Other

Minerva gastroenterologica e … 2006 22 اقتباسات

Applications of inulin and oligofructose in health and nutrition. Review

Journal of biosciences 2002 643 اقتباسات

Functional foods: concepts and application to inulin and oligofructose. Review

The British journal … 2002

Prebiotics and probiotics: are they functional foods? Review

The American journal … 2000 742 اقتباسات

Dietary fructans. Review

Annual review of … 1998 264 اقتباسات

Effects of inulin and lactose on fecal microflora, microbial activity, and bowel habit in elderly constipated persons. Other

The American journal … 1997 612 اقتباسات

Dosage & Usage

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

الجرعات الشائعة

general:: 5-10 g/day
constipationsupport:: 12 g/day for 4 weeks
prebioticmaintenance:: 5-8 g/day

الحد الأعلى: Well-tolerated up to 20 g/day; start low and increase gradually

الجرعات المدروسة في الأبحاث

الجرعة	المدة	التأثير	ن
None	--	Positive	--
12 g/day chicory inulin	4 weeks	Positive	39
None	--	Mixed	--
15 g/day	2 weeks	Positive	20
9.2 g/day total (4.6 g twice daily)	8 weeks	Positive	34
None	2 weeks	Positive	--
None	--	Positive	--
Muffin with inulin, moringa, cacao	--	Neutral	--

أفضل وقت للتناول: With meals; divide doses throughout the day to minimize gas

Safety & Side Effects

الآثار الجانبية المُبلّغ عنها

⚠ Gas and bloating (common at higher doses; start with 3-5 g/day and titrate up)
⚠ Abdominal cramping
⚠ Flatulence
⚠ Loose stools at very high doses

التفاعلات المعروفة

● May enhance absorption of calcium and magnesium (beneficial interaction)
● Blood sugar-lowering medications (inulin may modestly reduce blood glucose)
● Other FODMAPs (cumulative fermentation may worsen symptoms in sensitive individuals)

الحد الأقصى المسموح به: Well-tolerated up to 20 g/day; start low and increase gradually

استشر مقدم الرعاية الصحية دائماً قبل البدء بأي مكمل غذائي.

Frequently Asked Questions

Does Inulin help with Chronic Constipation?

Based on 6 studies with 400 participants, there is moderate evidence from clinical studies that Inulin may support Chronic Constipation management. Our evidence grade is B (Good Evidence).

How much Inulin should I take for Chronic Constipation?

Studies have used various dosages. A commonly studied range is 5-10 g/day. Always consult your healthcare provider before starting any supplement regimen.

Are there side effects of Inulin?

Reported side effects may include Gas and bloating (common at higher doses; start with 3-5 g/day and titrate up), Abdominal cramping, Flatulence, 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 Inulin and Chronic Constipation?

We rate the evidence as Grade B (Good Evidence). This rating is based on 6 peer-reviewed studies with 400 total participants. The overall direction of effect is positive.

Related Evidence

مكونات أخرى لـ Chronic Constipation

Psyllium Husk A Bifidobacterium lactis B Fructooligosaccharides (FOS) C

Inulin لحالات أخرى

Gut Dysbiosis D

الخلاصة السريعة

Meta-analysis confirms inulin (12 g/day) increases stool frequency by ~0.8 stools/week and improves stool consistency. Bifidogenic effect is well-established.

Evidence Strength72%

High confidence

تفصيل الدراسات

RCT (10)Meta (2)Other (0)

قارن البدائل

اعرف كيف تقارن المكونات الأخرى لهذه الحالة.

عرض جميع المكونات لـ Chronic Constipation

اعرف المزيد

إخلاء مسؤولية FDA: لم تُقيَّم هذه البيانات من قبل إدارة الغذاء والدواء (FDA). لا تهدف المنتجات والمعلومات الواردة في هذا الموقع إلى تشخيص أو علاج أو شفاء أو الوقاية من أي مرض. تستند تقييمات الأدلة المعروضة إلى تحليلنا للأبحاث المحكّمة المنشورة ولا تُشكّل نصيحة طبية. استشر مقدم الرعاية الصحية دائماً قبل البدء بأي نظام مكملات.