Psyllium Husk cho Chronic Constipation

Multiple meta-analyses confirm psyllium significantly increases stool frequency (mean +2.4/week) and stool weight. Superior to placebo with NNT of 3 for constipation relief. Recommended by AGA and ACG guidelines.

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Key Study Findings

Review

The role of dietary fiber in the gastrointestinal tract: when, how and why?

Dose: None so với: None Outcome: None Hiệu quả: None None

Đối tượng nghiên cứu: Review of dietary fiber role in GI tract

Review

Dietary management of chronic constipation: a review of evidence-based strategies and clinical guidelines.

Dose: None so với: None Outcome: None Hiệu quả: None None

Đối tượng nghiên cứu: Review of dietary management of chronic constipation

Review

The role and therapeutic effectiveness of Plantago ovata husk (psyllium husk) in the prevention and …

Dose: None so với: None Outcome: None Hiệu quả: None None

Đối tượng nghiên cứu: Review of psyllium husk for constipation and diarrhea

Meta-Analysis n=410

Conservative, physical and surgical interventions for managing faecal incontinence and constipation in adults with central …

Dose: None so với: Placebo Outcome: Constipation symptoms Hiệu quả: SMD -0.62, 95% CI -1.10 to -0.14 None

Đối tượng nghiên cứu: Alzheimer's disease patients

Randomized Controlled Trial Double-blind

The effect of fiber supplementation with agave fructans or psyllium plantago in symptoms of constipation …

Dose: None so với: None Outcome: Constipation symptoms Hiệu quả: None p > 0.05

Đối tượng nghiên cứu: Constipation patients

Meta-Analysis

Systematic review and meta-analysis: Foods, drinks and diets and their effect on chronic constipation in …

Dose: Various foods, drinks, diets so với: Control diet or placebo Outcome: Stool output, transit time, symptoms, QoL Hiệu quả: None None

Đối tượng nghiên cứu: Adults with chronic constipation

Key Statistics

Nghiên cứu

1400

Người tham gia

↑

Positive

Xếp hạng

Referenced Papers

Dietary management of chronic constipation: a review of evidence-based strategies and clinical guidelines. Review

The Proceedings of … 2025 2 trích dẫn

The role and therapeutic effectiveness of Plantago ovata husk (psyllium husk) in the prevention and non-pharmacological treatment of gastrointestinal diseases. … Review

Przeglad gastroenterologiczny 2025 2 trích dẫn

The role of dietary fiber in the gastrointestinal tract: when, how and why? Review

Best practice & … 2025 1 trích dẫn

Comparison chart: Some drugs for irritable bowel syndrome with constipation (IBS-C). Other

The Medical letter … 2025

Drugs for irritable bowel syndrome. Other

The Medical letter … 2025

Synergistic effects of Ligilactobacillus salivarius Li01 and psyllium husk prevent mice from developing loperamide-induced constipation. Other

Food & function 2024 8 trích dẫn

Psyllium husk powder increases defecation frequency and faecal score, bulk and moisture in healthy cats. Other

Journal of feline … 2024 8 trích dẫn

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

Zeitschrift fur Gastroenterologie 2024 3 trích dẫn

Conservative, physical and surgical interventions for managing faecal incontinence and constipation in adults with central neurological diseases. Meta-Analysis

The Cochrane database … 2024 3 trích dẫn

The effect of fiber supplementation with agave fructans or psyllium plantago in symptoms of constipation and its relation with whole … RCT

Neurogastroenterology and motility 2024 3 trích dẫn

Step on the accelerator: modern treatment of constipation. Review

Current opinion in … 2024 2 trích dẫn

Systematic review and meta-analysis: Foods, drinks and diets and their effect on chronic constipation in adults. Meta-Analysis

Alimentary pharmacology & … 2024

Effects of dietary fibers or probiotics on functional constipation symptoms and roles of gut microbiota: a double-blinded randomized placebo trial. RCT

Gut microbes 2023 143 trích dẫn

Dietary Fibers in Healthy Children and in Pediatric Gastrointestinal Disorders: A Practical Guide. Review

Nutrients 2023 43 trích dẫn

Consumption of 2 Green Kiwifruits Daily Improves Constipation and Abdominal Comfort-Results of an International Multicenter Randomized Controlled Trial. RCT

The American journal … 2023 39 trích dẫn

In persons with constipation or IBS-C, kiwifruit vs. psyllium increased spontaneous bowel movements. Other

Annals of internal … 2023

Psyllium: a useful functional ingredient in food systems. Review

Critical reviews in … 2022 99 trích dẫn

The Effect of Fiber Supplementation on Chronic Constipation in Adults: An Updated Systematic Review and Meta-Analysis of Randomized Controlled Trials. Meta-Analysis

The American journal … 2022 80 trích dẫn

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

Food science & … 2022 52 trích dẫn

Kiwifruit and Kiwifruit Extracts for Treatment of Constipation: A Systematic Review and Meta-Analysis. Meta-Analysis

Canadian journal of … 2022 9 trích dẫn

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

The American journal … 2021 62 trích dẫn

Exploratory Comparative Effectiveness Trial of Green Kiwifruit, Psyllium, or Prunes in US Patients With Chronic Constipation. RCT

The American journal … 2021 47 trích dẫn

Medical Management of Constipation in Elderly Patients: Systematic Review. Review

Journal of neurogastroenterology … 2021 37 trích dẫn

Non-pharmacologic approach to pediatric constipation. Review

Complementary therapies in … 2021 30 trích dẫn

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

Current opinion in … 2021 6 trích dẫn

Laxative effects of wheat bran and psyllium: Resolving enduring misconceptions about fiber in treatment guidelines for chronic idiopathic constipation. Review

Journal of the … 2020 33 trích dẫn

Drugs for Irritable Bowel Syndrome. Other

The Medical letter … 2020

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

Journal of the … 2019 171 trích dẫn

The Effect of Psyllium Husk on Intestinal Microbiota in Constipated Patients and Healthy Controls. RCT

International journal of … 2019 162 trích dẫn

Effect of flaxseed or psyllium vs. placebo on management of constipation, weight, glycemia, and lipids: A randomized trial in constipated … RCT

Clinical nutrition ESPEN 2019 64 trích dẫn

Irritable bowel syndrome and functional constipation management with integrative medicine: A systematic review. Other

World journal of … 2019 14 trích dẫn

Targeting patients' microbiota with probiotics and natural fibers in adults and children with constipation. Review

European review for … 2018 23 trích dẫn

Constipation and fecal incontinence in children with cerebral palsy. Overview of literature and flowchart for a stepwise approach. Review

Acta gastro-enterologica Belgica 2018 17 trích dẫn

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

Canadian journal of … 2018 2 trích dẫn

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 trích dẫn

Probiotics, fibre and herbal medicinal products for functional and inflammatory bowel disorders. Review

British journal of … 2017 145 trích dẫn

Management of chronic constipation in patients with diabetes mellitus. Review

Indian journal of … 2017 50 trích dẫn

Phosphorylation of psyllium seed polysaccharide and its characterization. Other

International journal of … 2016 69 trích dẫn

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

Digestive diseases and … 2016 28 trích dẫn

Use of polyethylene glycol in functional constipation and fecal impaction. Meta-Analysis

Revista espanola de … 2016 27 trích dẫn

Management of Constipation in Older Adults. Other

American family physician 2015

Systematic review: the effect of prunes on gastrointestinal function. Systematic Review

Alimentary pharmacology & … 2014 59 trích dẫn

Efficacy and complications of polyethylene glycols for treatment of constipation in children: a meta-analysis. Meta-Analysis

Medicine 2014 19 trích dẫn

Fiber and functional gastrointestinal disorders. Review

The American journal … 2013 421 trích dẫn

Treatment of irritable bowel syndrome. Review

Journal of clinical … 2011 30 trích dẫn

Dried plums, constipation and the irritable bowel syndrome. Other

Alimentary pharmacology & … 2011 3 trích dẫn

Irritable bowel syndrome: a mild disorder; purely symptomatic treatment. Other

Prescrire international 2009

Psyllium as therapeutic and drug delivery agent. Review

International journal of … 2007 375 trích dẫn

Constipation in long-term care. Review

Journal of the … 2007 84 trích dẫn

Current gut-directed therapies for irritable bowel syndrome. Other

Current treatment options … 2006 24 trích dẫn

[Plantago ovata]. Review

Acta chirurgica Iugoslavica 2006

[Therapeutic options of chronic constipation]. Review

Der Internist 2005 5 trích dẫn

Systematic review: the role of different types of fibre in the treatment of irritable bowel syndrome. Systematic Review

Alimentary pharmacology & … 2004 322 trích dẫn

Constipation in adults. Review

Clinical evidence 2004

Plantago ovata. (Psyllium). Review

Alternative medicine review … 2002 6 trích dẫn

Adverse effects of laxatives. Review

Diseases of the … 2001 199 trích dẫn

Constipation in Parkinson's disease: objective assessment and response to psyllium. Other

Movement disorders : … 1997 196 trích dẫn

Systematic review of the effectiveness of laxatives in the elderly. Systematic Review

Health technology assessment … 1997 128 trích dẫn

Psyllium anaphylaxis. Case Report

Allergy proceedings : … 1990 12 trích dẫn

Citrucel (methylcellulose/bulk-forming laxative). Other

Gastroenterology nursing : … 1989 3 trích dẫn

Double blind study of ispaghula in irritable bowel syndrome. CCT

Gut 1987 153 trích dẫn

Management of irritable bowel syndrome. Other

Biomedicine & pharmacotherapy … 1986 4 trích dẫn

IRRITABLE COLON. Other

JAMA 1964

Dosage & Usage

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

Liều lượng thường dùng

general:: 5-10 g/day (with adequate water)
ibssupport:: 5-10 g/day (start low, titrate up over 1-2 weeks)
constipation:: 10-20 g/day in divided doses with at least 240 mL water per dose

Giới hạn trên: Well-tolerated up to 30 g/day with adequate fluid intake

Liều lượng đã nghiên cứu

Liều lượng	Thời gian	Hiệu quả	N
None	--	Mixed	--
None	--	Mixed	--
None	--	Positive	--
None	--	Mixed	410
None	--	Negative	--
Various foods, drinks, diets	--	Positive	--
None	--	Positive	--
None	1 weeks	Neutral	--

Thời điểm dùng tốt nhất: With meals and a full glass of water (240 mL minimum); space 1-2 hours from medications

Safety & Side Effects

Tác dụng phụ đã được báo cáo

⚠ Gas and bloating (common initially; start with low dose and titrate up)
⚠ Esophageal/bowel obstruction if taken without adequate water (CRITICAL: always take with full glass of water)
⚠ Abdominal cramping at high initial doses
⚠ May reduce appetite (feeling of fullness)

Tương tác đã biết

● May reduce absorption of medications if taken simultaneously (space 1-2 hours)
● Lithium (reduced absorption)
● Carbamazepine (reduced absorption)
● Diabetes medications (may enhance blood sugar lowering; monitor glucose)

Mức hấp thụ tối đa cho phép: Well-tolerated up to 30 g/day with adequate fluid intake

Luôn tham khảo ý kiến bác sĩ trước khi bắt đầu sử dụng bất kỳ thực phẩm bổ sung nào.Luôn tham khảo ý kiến chuyên gia y tế trước khi sử dụng bất kỳ thực phẩm chức năng nào.

Frequently Asked Questions

Does Psyllium Husk help with Chronic Constipation?

Based on 18 studies with 1,400 participants, there is strong evidence from multiple clinical trials that Psyllium Husk may support Chronic Constipation management. Our evidence grade is A (Strong Evidence).

How much Psyllium Husk should I take for Chronic Constipation?

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

Are there side effects of Psyllium Husk?

Reported side effects may include Gas and bloating (common initially; start with low dose and titrate up), Esophageal/bowel obstruction if taken without adequate water (CRITICAL: always take with full glass of water), Abdominal cramping at high initial doses, May reduce appetite (feeling of fullness). Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.

How strong is the evidence for Psyllium Husk and Chronic Constipation?

We rate the evidence as Grade A (Strong Evidence). This rating is based on 18 peer-reviewed studies with 1,400 total participants. The overall direction of effect is positive.

Related Evidence

Các thành phần khác cho Chronic Constipation

Inulin B Bifidobacterium lactis B Fructooligosaccharides (FOS) C

Psyllium Husk cho các tình trạng khác

Irritable Bowel Syndrome (IBS) B

Đánh giá nhanh

Evidence Strength92%

High confidence

Phân tích nghiên cứu

RCT (6)Meta (6)Other (6)

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Xem tất cả thành phần cho Chronic Constipation

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