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Lactobacillus rhamnosus GG pour Irritable Bowel Syndrome (IBS)

B

Several RCTs show improvement in IBS symptoms, particularly bloating and abdominal pain. Effect strongest in IBS-D subtype. Results not uniform across all IBS subtypes.

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B

En conclusion

Several RCTs show improvement in IBS symptoms, particularly bloating and abdominal pain. Effect strongest in IBS-D subtype. Results not uniform across all IBS subtypes.

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 Effet: None None

Population: patients with IBS from 32 RCTs evaluating 10 probiotic strains

Randomized Controlled Trial 3 weeks Double-blind
Nutraceuticals and Pain Disorders of the Gut-Brain Interaction in Infants and Children: A Narrative Review …
Dose: None vs: Placebo Outcome: Pain outcomes Effet: None None

Population: IBS patients

Systematic Review n=3
Effectiveness of Probiotics in Children With Functional Abdominal Pain Disorders and Functional Constipation: A Systematic …
Dose: None vs: None Outcome: Abdominal pain frequency/intensity, constipation Effet: None None

Population: Children with FAPD or functional constipation

Systematic Review
Probiotics for Irritable Bowel Syndrome: Clinical Data in Children.
Dose: various probiotic strains vs: placebo Outcome: IBS symptom improvement in children Effet: LGG showed benefit in some studies None

Population: Children with IBS

Review
Probiotic Bacterial and Fungal Strains: Claims with Evidence.
Dose: None vs: None Outcome: None Effet: None None

Population: Various populations (probiotic claims review)

Review
Bugs and Guts: Practical Applications of Probiotics for Gastrointestinal Disorders in Children.
Dose: None vs: None Outcome: None Effet: None None

Population: IBD patients

Key Statistics

8

Études

1200

Participants

Positive

B

Note

Referenced Papers

Digestive diseases (Basel, … 2016 37 citations
Journal of pediatric … 2016 19 citations
Asia Pacific journal … 2006 45 citations

Dosage & Usage

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

Posologies couramment utilisées

general:
10-20 billion CFU/day
ibssupport:
10 billion CFU/day for 4-8 weeks
aadprevention:
10-20 billion CFU/day (start with antibiotic, continue 7 days after)

Limite supérieure : Generally well-tolerated up to 40 billion CFU/day in clinical trials

Posologies étudiées dans la recherche

Posologie Durée Effet N
None -- Positive --
None 3 weeks Positive --
None -- Mixed 3
various probiotic strains -- Mixed --
None -- Mixed --
None -- Mixed --
None -- Mixed --
None 26.0 weeks Mixed --

Moment optimal de prise : On an empty stomach or 30 minutes before meals for optimal survival

Safety & Side Effects

Effets indésirables signalés

  • Mild gas and bloating during initial use (usually resolves in 1-2 weeks)
  • Rare reports of bacteremia in severely immunocompromised individuals
  • Occasional loose stools during adjustment period
  • Very rare: systemic infection in critically ill patients with central venous catheters

Interactions connues

  • Antibiotics (may reduce probiotic viability; space dosing 2 hours apart)
  • Immunosuppressants (theoretical risk of infection in immunocompromised patients)
  • Antifungals (no known interaction but may affect gut flora balance)

Apport maximal tolérable : Generally well-tolerated up to 40 billion CFU/day in clinical trials

Consultez toujours votre professionnel de santé avant de commencer tout complément alimentaire.Consultez toujours votre professionnel de santé avant de commencer tout complément alimentaire.

Frequently Asked Questions

Does Lactobacillus rhamnosus GG help with Irritable Bowel Syndrome (IBS)?
Based on 8 studies with 1,200 participants, there is moderate evidence from clinical studies that Lactobacillus rhamnosus GG may support Irritable Bowel Syndrome (IBS) management. Our evidence grade is B (Good Evidence).
How much Lactobacillus rhamnosus GG should I take for Irritable Bowel Syndrome (IBS)?
Studies have used various dosages. A commonly studied range is 10-20 billion CFU/day. Always consult your healthcare provider before starting any supplement regimen.
Are there side effects of Lactobacillus rhamnosus GG?
Reported side effects may include Mild gas and bloating during initial use (usually resolves in 1-2 weeks), Rare reports of bacteremia in severely immunocompromised individuals, Occasional loose stools during adjustment period, Very rare: systemic infection in critically ill patients with central venous catheters. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
How strong is the evidence for Lactobacillus rhamnosus GG and Irritable Bowel Syndrome (IBS)?
We rate the evidence as Grade B (Good Evidence). This rating is based on 8 peer-reviewed studies with 1,200 total participants. The overall direction of effect is positive.

Related Evidence

Avertissement FDA: Ces déclarations n'ont pas été évaluées par la Food and Drug Administration. Les produits et informations sur ce site ne sont pas destinés à diagnostiquer, traiter, guérir ou prévenir quelque maladie que ce soit. Les notes de preuve présentées sont basées sur notre analyse de la recherche publiée et évaluée par des pairs et ne constituent pas un avis médical. Consultez toujours votre professionnel de santé avant de commencer tout régime de compléments alimentaires.