Bacillus coagulans ： Irritable Bowel Syndrome (IBS)

Q: Does Bacillus coagulans help with Irritable Bowel Syndrome (IBS)?

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

Q: How much Bacillus coagulans should I take for Irritable Bowel Syndrome (IBS)?

Studies have used various dosages. A commonly studied range is 1-2 billion CFU/day. Always consult your healthcare provider before starting any supplement regimen.

Q: Are there side effects of Bacillus coagulans?

Reported side effects may include Mild gas during initial use (generally less than other probiotics due to spore form), Occasional bloating, Rare loose stools. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.

Q: How strong is the evidence for Bacillus coagulans 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.

Reduces abdominal pain, bloating, and diarrhea in IBS. Spore-forming nature provides excellent stability and gastric acid survival.

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結論

Reduces abdominal pain, bloating, and diarrhea in IBS. Spore-forming nature provides excellent stability and gastric acid survival.

Key Study Findings

Meta-Analysis

Strain-Specific Systematic Review with Meta-Analysis of Probiotics Efficacy in the Treatment of Irritable Bowel Syndrome.

Dose: None vs: placebo Outcome: improvement in key IBS symptoms 効果: None None

対象集団: patients with IBS from 32 RCTs evaluating 10 probiotic strains

Randomized Controlled Trial n=61 4 weeks Double-blind

Effects of a Bacillus subtilis HU58 and Heyndrickxia faecalis SC208 spore-forming probiotic formula on gastrointestinal …

Dose: None vs: Placebo Outcome: Abdominal pain (NRS) and stool consistency (BSFS) 効果: None P = 0.003 (pain); P = 0.035 (s

対象集団: Adults with diarrhoea-predominant IBS (IBS-D)

Randomized Controlled Trial n=100 12 weeks

Role of Bacillus coagulans (Heyndrickxia coagulans)BCP92 in managing irritable bowel syndrome: A randomized, double-blind, multicenter, …

Dose: None vs: Control Outcome: Pain outcomes 効果: None P < .001

対象集団: IBS patients

Meta-Analysis

Outcome-Specific Efficacy of Different Probiotic Strains and Mixtures in Irritable Bowel Syndrome: A Systematic Review …

Dose: Various probiotic strains/mixtures vs: Placebo Outcome: Outcome-specific efficacy ranking in IBS 効果: None None

対象集団: Adults with IBS (RCTs)

Randomized Controlled Trial 12 weeks Double-blind

The Efficacy and Safety of Single-Strain Probiotic Formulations Containing Bifidobacterium lactis or Bacillus coagulans in …

Dose: 20.5% vs: placebo Outcome: IBS symptom improvement 効果: None p = 0.038

対象集団: Adults with IBS

Review

Oral microbial shift induced by probiotic Bacillus coagualans along with its clinical perspectives.

Dose: None vs: None Outcome: colitis/IBD severity 効果: None None

対象集団: None

Key Statistics

研究数

400

参加者数

↑

Positive

グレード

Referenced Papers

Strain-Specific Systematic Review with Meta-Analysis of Probiotics Efficacy in the Treatment of Irritable Bowel Syndrome. Review

Journal of clinical … 2026

Effects of a Bacillus subtilis HU58 and Heyndrickxia faecalis SC208 spore-forming probiotic formula on gastrointestinal health: results of a randomised, … Other

Beneficial microbes 2026

Role of Bacillus coagulans (Heyndrickxia coagulans)BCP92 in managing irritable bowel syndrome: A randomized, double-blind, multicenter, placebo-controlled clinical trial. RCT

Medicine 2024 6 件の引用

Outcome-Specific Efficacy of Different Probiotic Strains and Mixtures in Irritable Bowel Syndrome: A Systematic Review and Network Meta-Analysis. Meta-Analysis

Nutrients 2023 33 件の引用

Oral microbial shift induced by probiotic Bacillus coagualans along with its clinical perspectives. Review

Journal of oral … 2023 12 件の引用

Effects of Glutamine, Curcumin and Fish Bioactive Peptides Alone or in Combination on Intestinal Permeability in a Chronic-Restraint Stress Model. Other

International journal of … 2023 9 件の引用

The Efficacy and Safety of Single-Strain Probiotic Formulations Containing Bifidobacterium lactis or Bacillus coagulans in Adult Patients with Irritable Bowel … Other

Journal of clinical … 2023 9 件の引用

Efficacy and safety of Bacillus coagulans LBSC in irritable bowel syndrome: A prospective, interventional, randomized, double-blind, placebo-controlled clinical study [CONSORT … RCT

Medicine 2021 45 件の引用

Impact of a Gastrointestinal Stable Probiotic Supplement Bacillus coagulans LBSC on Human Gut Microbiome Modulation. Other

Journal of dietary … 2021 33 件の引用

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

European journal of … 2020 20 件の引用

Randomized clinical trial: the effect of probiotic Bacillus coagulans Unique IS2 vs. placebo on the symptoms management of irritable bowel … RCT

Scientific reports 2019 65 件の引用

Bacillus coagulans and its applications in medicine. Review

Beneficial microbes 2019 45 件の引用

Bacillus coagulans and its applications in medicine. Other

Beneficial microbes 2019 29 件の引用

Bacillus coagulans MTCC 5856 for the management of major depression with irritable bowel syndrome: a randomised, double-blind, placebo controlled, multi-centre, … Other

Food & nutrition … 2018 162 件の引用

Efficacy of Bacillus coagulans Unique IS2 in treatment of irritable bowel syndrome in children: a double blind, randomised placebo controlled … RCT

Beneficial microbes 2018 59 件の引用

Bacillus coagulans MTCC 5856 supplementation in the management of diarrhea predominant Irritable Bowel Syndrome: a double blind randomized placebo controlled … RCT

Nutrition journal 2016 102 件の引用

A randomized double-blind placebo-controlled clinical trial on efficacy and safety of association of simethicone and Bacillus coagulans (Colinox®) in patients … RCT

European review for … 2014 33 件の引用

The efficacy of a synbiotic containing Bacillus Coagulans in treatment of irritable bowel syndrome: a randomized placebo-controlled trial. Other

Gastroenterology and hepatology … 2014

Bacillus coagulans significantly improved abdominal pain and bloating in patients with IBS. RCT

Postgraduate medicine 2009 144 件の引用

Effects of a proprietary Bacillus coagulans preparation on symptoms of diarrhea-predominant irritable bowel syndrome. RCT

Methods and findings … 2009 104 件の引用

Dosage & Usage

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

一般的な使用量

general:: 1-2 billion CFU/day
ibssupport:: 2 billion CFU/day (GBI-30 6086 strain)

上限量： Well-tolerated up to 6 billion CFU/day in clinical trials

研究で検討された用量

用量	期間	効果	N
None	--	Positive	--
None	4 weeks	Positive	61
None	12 weeks	Positive	100
Various probiotic strains/mixtures	--	Positive	--
20.5%	12 weeks	Positive	--
None	--	Positive	--
None	--	Mixed	--
None	--	Mixed	--

推奨摂取タイミング： With meals for optimal spore germination and colonization

Safety & Side Effects

報告されている副作用

⚠ Mild gas during initial use (generally less than other probiotics due to spore form)
⚠ Occasional bloating
⚠ Rare loose stools

既知の相互作用

● Antibiotics (spore form is more resistant than vegetative probiotics, but spacing still recommended)
● Immunosuppressants (theoretical risk in immunocompromised patients)

耐容上限摂取量： Well-tolerated up to 6 billion CFU/day in clinical trials

サプリメントの摂取を開始する前に、必ず医療専門家にご相談ください。

Frequently Asked Questions

Does Bacillus coagulans help with Irritable Bowel Syndrome (IBS)?

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

How much Bacillus coagulans should I take for Irritable Bowel Syndrome (IBS)?

Studies have used various dosages. A commonly studied range is 1-2 billion CFU/day. Always consult your healthcare provider before starting any supplement regimen.

Are there side effects of Bacillus coagulans?

Reported side effects may include Mild gas during initial use (generally less than other probiotics due to spore form), Occasional bloating, Rare loose stools. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.

How strong is the evidence for Bacillus coagulans 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

に関する他の成分： Irritable Bowel Syndrome (IBS)

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

総合評価

Reduces abdominal pain, bloating, and diarrhea in IBS. Spore-forming nature provides excellent stability and gastric acid survival.

Evidence Strength72%

High confidence

研究の内訳

RCT (9)Meta (1)Other (0)

代替成分との比較

この症状に対する他の成分との比較をご覧ください。

に関するすべての成分を見る： Irritable Bowel Syndrome (IBS)

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FDAに関する免責事項: これらの記述は米国食品医薬品局（FDA）による評価を受けていません。本ウェブサイトの製品および情報は、疾病の診断、治療、治癒、または予防を目的としたものではありません。表示されているエビデンスグレードは、公開された査読済み研究の分析に基づいており、医療上の助言を構成するものではありません。サプリメントの摂取を開始する前に、必ず医療専門家にご相談ください。