IBS (Irritable Bowel Syndrome)

A concise starting point for understanding IBS (Irritable Bowel Syndrome) within digestive health.

10What may help
1What to avoid

This list shows research findings, not treatments. Nothing here replaces medical care. If you have this condition, talk to a doctor.

What may help

None of these options has good evidence yet. Best evidence first.

10 options:3 not enough evidence6 not tested in people1 no benefit found

What studies foundSize of effect

Hatha YogapracticeNot enough evidence
Too few or too small studies to know if it works.
1 of 2 studies found a benefit; 1 found none.
A 2023 trial in 79 people found that IBS symptom scores improved within the yoga group, but the difference between groups was not significant; quality of life, fatigue, and perceived stress improved as secondary outcomes. A separate 2022 trial of 65 people also found no significant between-group difference in its primary IBS symptom outcome, although depression improved.
Open the Hatha Yoga page
PilatespracticeNot enough evidence
Too few or too small studies to know if it works.
The one study found a benefit.
A 2024 randomized controlled trial in 60 people found improvements in IBS-SSS, bowel movement frequency, fatigue, anxiety, and depression compared with dietary advice alone.
Open the Pilates page
YogapracticeNot enough evidence
Too few or too small studies to know if it works.
3 of 4 studies found a benefit; 1 found none.
Open the Yoga page
AcupuncturepracticeNot tested in people
Only tested in animals, cells or theory. Results like these often do not carry over to people.
The one study found a benefit.
Acupuncture may improve IBS symptoms, including abdominal pain, bloating, and irregular bowel habits.
Open the Acupuncture page
BreathworkpracticeNot tested in people
Only tested in animals, cells or theory. Results like these often do not carry over to people.
The one study found a benefit.
Breathwork may reduce IBS symptoms by lowering stress-related autonomic dysregulation and improving gut-brain communication.
Open the Breathwork page
FastingpracticeNot tested in people
Only tested in animals, cells or theory. Results like these often do not carry over to people.
The one study found a benefit.
Intermittent fasting may improve IBS symptoms by reducing gut inflammation, promoting gut motility and altering the microbiome, though evidence is preliminary.
Open the Fasting page
MeditationpracticeNot tested in people
Only tested in animals, cells or theory. Results like these often do not carry over to people.
The one study found a benefit.
Open the Meditation page
Mindfulness MeditationpracticeNot tested in people
Only tested in animals, cells or theory. Results like these often do not carry over to people.
The one study found a benefit.
Mindfulness meditation is described as a complementary therapy for IBS, with reports of reduced symptom severity and improved quality of life.
Open the Mindfulness Meditation page

Show all 10

May not suit people with this condition

Supplements and practices linked to problems for people with this condition.

Coffee EnemapracticeUnclear
An 11-person randomized trial in healthy participants stated that coffee enemas should not be used in people with irritable bowel syndrome.
Open the Coffee Enema page

The expert view shows every study, dose protocol and source.

What may help

Interventions recorded as helping with this condition10 listed

The best we have, but the evidence is still weak

PracticesHatha YogaCertaintyLowSourceClinical
A 2023 trial in 79 people found that IBS symptom scores improved within the yoga group, but the difference between groups was not significant; quality of life, fatigue, and perceived stress improved as secondary outcomes. A separate 2022 trial of 65 people also found no significant between-group difference in its primary IBS symptom outcome, although depression improved.
Who was studied
People with a condition
Ibs
Study result
Within-group IBS-SSS reduction significant (p=0.028); primary between-group difference not significant (p=0.149); secondary QOL, fatigue, and perceived stress improved; no adverse events.
Open Hatha Yoga
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PracticesPilatesCertaintyLowSourceClinical
A 2024 randomized controlled trial in 60 people found improvements in IBS-SSS, bowel movement frequency, fatigue, anxiety, and depression compared with dietary advice alone.
Who was studied
People with a condition
Ibs
Study result
RCT showing significant improvements in IBS-SSS, bowel movement frequency, fatigue, anxiety, and depression compared to dietary advice alone.
Open Pilates
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PracticesYogaCertaintyLowSourceClinical
A review reported improvements in gastrointestinal symptoms, quality of life, anxiety, and depression, with IBS-SSS effect sizes of d=0.37–3.60; it also noted heterogeneity and low study quality. Results are not consistent: a pooled analysis of randomized trials found no significant benefit for gastrointestinal symptoms, anxiety, depression, or quality of life.
Who was studied
People with a condition
Ibs
Study result
Systematic review of 10 studies; yoga improved gastrointestinal symptoms, quality of life, anxiety, and depression vs usual care/wait-list; moderate-large effect sizes on IBS-SSS (d=0.37–3.60), but evidence limited by heterogeneity and low study quality.
Open Yoga
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PracticesAcupunctureCertaintyLowSourceTheoretical
Acupuncture may improve IBS symptoms, including abdominal pain, bloating, and irregular bowel habits.
Study result
Acupuncture may improve symptoms of irritable bowel syndrome, including abdominal pain, bloating, and bowel habit irregularities.
Open Acupuncture
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PracticesBreathworkCertaintyLowSourceTheoretical
Breathwork may reduce IBS symptoms by lowering stress-related autonomic dysregulation and improving gut-brain communication.
Study result
Breathwork may reduce IBS symptoms by lowering stress-induced autonomic dysregulation and improving gut-brain communication.
Open Breathwork
→
PracticesFastingCertaintyLowSourceTheoretical
Intermittent fasting may improve IBS symptoms by reducing gut inflammation, promoting gut motility and altering the microbiome, though evidence is preliminary.
Study result
Intermittent fasting may improve IBS symptoms by reducing gut inflammation, promoting gut motility, and altering the microbiome, though evidence is preliminary.
Open Fasting
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PracticesMeditationCertaintyLowSourceTheoretical
Mindfulness-based interventions may reduce symptom severity and improve quality of life in patients with irritable bowel syndrome, likely through stress reduction and improved pain coping.
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Low probability(2)

PracticesMindfulness MeditationCertaintyLowSourceTheoretical
Mindfulness meditation is described as a complementary therapy for IBS, with reports of reduced symptom severity and improved quality of life.
Study result
Mindfulness meditation is used as a complementary therapy for IBS, with evidence showing reductions in symptom severity and improvements in quality of life.
Open Mindfulness Meditation
→
PracticesPsychotherapyCertaintyLowSourceTheoretical
Cognitive behavioral therapy and gut-directed hypnotherapy may reduce overall IBS symptoms and distress in adults with IBS.
Study result
CBT and gut-directed hypnotherapy may reduce global IBS symptoms and distress in adults with IBS.
Open Psychotherapy
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Very low probability(1)

PracticesAnusara YogaCertaintyVery lowSourceRCT
Pooled randomized trials found no significant differences between Yoga and control groups in gastrointestinal symptoms, anxiety, depression, or quality of life. The studies did not support Yoga for IBS on these outcomes.
Who was studied
People with a condition
Ibs
Open Anusara Yoga
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What to avoid

Interventions recorded as making it worse1 listed

Highest probability

PracticesCoffee EnemaCertaintyLowSourceClinical
An 11-person randomized trial in healthy participants stated that coffee enemas should not be used in people with irritable bowel syndrome.
Who was studied
Healthy people
Study result
Exclusion criteria and discussion state that coffee enema should not be performed in patients with irritable bowel syndrome.
Rationale
Exclusion criteria and discussion state that coffee enema should not be performed in patients with irritable bowel syndrome.
Open Coffee Enema
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How to read the evidence

Evidence tier — overall strength of the evidence for the whole compound

StrongWell established — backed by strong, consistent human research.
ModerateSome genuine support, but mostly from small or lower-quality studies. Promising, not proven.
PreliminaryEarly-stage evidence — a promising hypothesis, not an established effect yet.
LimitedVery limited evidence — treat this as a hypothesis, not proof.
InsufficientNot enough good evidence to draw conclusions yet.

Certainty — how sure we can be that the effect is real

Very highVery sure — strong, consistent evidence
HighFairly sure — consistent evidence from good studies
MediumModerately sure — new studies could change this
LowNot sure — little or mixed evidence
Very lowVery unsure — almost no usable evidence

Source — where the data comes from

Meta-analysisPooled analysis of many trials — the strongest evidence
RCTRandomized controlled trial — a strong human study design
ClinicalA human clinical study
Reference knowledgeFrom general health-science or pharmacology references, not a study of this exact claim
Animal researchStudied in animals, not humans
Community reportsAggregated user reports — anecdotal signal, not evidence
TheoreticalMechanism-based reasoning, not yet tested

Study grade — quality of each underlying study (A best, D weakest)

AHigh-quality — strong, consistent human trials
BGood — solid evidence with some limitations
CModerate — limited, small, or mixed-quality studies
DWeak — preliminary, indirect, or animal-only

Confidence — how strongly the sources back a finding

A 0–100 score from study quality and agreement

Most supplement evidence is graded C–D. Read it as preliminary signal, not proof.

Full write-up

What is it

IBS (Irritable Bowel Syndrome) is a digestive health condition described through IBS severity and related symptoms. It is a condition studied across different groups, including children and constipated women of reproductive age, so findings from one group may not apply equally to everyone with IBS. Research has examined options such as Curcumin, Dietary Fiber (Prebiotics), Lemon Balm (Melissa), and Psyllium Husk in relation to IBS, but these options are not interchangeable and their evidence should be considered individually.

Evidence-backed options

The evidence for options associated with IBS is uneven and does not establish a single consistently effective approach. Clinical findings are limited to particular groups, including children in studies of Dietary Fiber (Prebiotics) and women of reproductive age in research on Psyllium Husk, so results may not apply broadly to everyone with IBS. Review-level evidence for Curcumin suggests a possible benefit, but the observed improvement was not statistically significant compared with placebo.

Other options have more limited support. Lemon Balm (Melissa) and CBD (Cannabidiol) are represented by animal research, while Chamomile is supported here by pharmacology references rather than clinical outcome evidence. Findings involving Saccharomyces Boulardii do not establish an added benefit in the reported comparison. These differences mean that evidence strength and relevance vary substantially between options, even when they are associated with IBS.

The available summaries do not specify consistent doses, treatment durations, or how quickly effects appeared, so those details cannot be inferred from this evidence. Anyone considering options for IBS should discuss the condition and the relevance of these findings with a clinician.