Berberine per Small Intestinal Bacterial Overgrowth (SIBO)

Herbal antimicrobial protocol including berberine showed comparable efficacy to rifaximin for SIBO in retrospective study. Prospective RCT data limited.

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In sintesi

Herbal antimicrobial protocol including berberine showed comparable efficacy to rifaximin for SIBO in retrospective study. Prospective RCT data limited.

Key Study Findings

Meta-Analysis n=1552

Comparative efficacy of diverse therapeutic regimens for small intestinal bacterial overgrowth: a systematic network meta-analysis.

Dose: None vs: Multiple comparators (network meta-analysis) Outcome: SIBO eradication rate Effetto: Berberine highest SUCRA None

Popolazione: Adults with SIBO from 30 RCTs

Randomized Controlled Trial 2 weeks Open-label

Berberine and rifaximin effects on small intestinal bacterial overgrowth: Study protocol for an investigator-initiated, double-arm, …

Dose: 400 mg d vs: control Outcome: a negative breath test Effetto: None None

Popolazione: Long-term abdominal discomfort and avoiding excessive examination

Key Statistics

Studi

180

Partecipanti

↑

Positive

Grado

Referenced Papers

Comparative efficacy of diverse therapeutic regimens for small intestinal bacterial overgrowth: a systematic network meta-analysis. Other

Therapeutic advances in … 2025

Berberine and rifaximin effects on small intestinal bacterial overgrowth: Study protocol for an investigator-initiated, double-arm, open-label, randomized clinical trial (BRIEF-SIBO … Other

Frontiers in pharmacology 2023 8 citazioni

Dosage & Usage

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

Dosaggi di uso comune

general:: 500-1,500 mg/day in divided doses
siboprotocol:: 500 mg two to three times daily for 4 weeks (as part of herbal antimicrobial protocol)
giantimicrobial:: 500 mg twice daily

Limite massimo: Generally well-tolerated up to 1,500 mg/day in divided doses

Dosaggi studiati nella ricerca

Dosaggio	Durata	Effetto	N
None	--	Positive	1552
400 mg d	2 weeks	Mixed	--

Momento migliore per l'assunzione: With meals; divide doses throughout the day (do not take full daily dose at once)

Safety & Side Effects

Effetti collaterali segnalati

⚠ GI side effects (diarrhea, constipation, flatulence, abdominal pain) — most common
⚠ May cause uterine contractions (contraindicated in pregnancy)
⚠ Headache
⚠ Skin rash (rare)

Interazioni note

● Diabetes medications (berberine significantly lowers blood sugar; risk of hypoglycemia)
● Cyclosporine (berberine inhibits CYP3A4, increasing cyclosporine levels)
● Anticoagulants (may have additive blood-thinning effects)
● Metformin (additive glucose-lowering effect; monitor closely)
● Macrolide antibiotics (berberine inhibits CYP3A4)

Livello di assunzione massimo tollerabile: Generally well-tolerated up to 1,500 mg/day in divided doses

Consultare sempre il proprio medico prima di iniziare qualsiasi integratore.Consultate sempre il vostro medico prima di iniziare qualsiasi integratore.

Frequently Asked Questions

Does Berberine help with Small Intestinal Bacterial Overgrowth (SIBO)?

Based on 2 studies with 180 participants, there is limited but promising evidence that Berberine may support Small Intestinal Bacterial Overgrowth (SIBO) management. Our evidence grade is C (Some Evidence).

How much Berberine should I take for Small Intestinal Bacterial Overgrowth (SIBO)?

Studies have used various dosages. A commonly studied range is 500-1,500 mg/day in divided doses. Always consult your healthcare provider before starting any supplement regimen.

Are there side effects of Berberine?

Reported side effects may include GI side effects (diarrhea, constipation, flatulence, abdominal pain) — most common, May cause uterine contractions (contraindicated in pregnancy), Headache, Skin rash (rare). Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.

How strong is the evidence for Berberine and Small Intestinal Bacterial Overgrowth (SIBO)?

We rate the evidence as Grade C (Some Evidence). This rating is based on 2 peer-reviewed studies with 180 total participants. The overall direction of effect is positive.

Related Evidence

Altri ingredienti per Small Intestinal Bacterial Overgrowth (SIBO)

Partially Hydrolyzed Guar Gum (PHGG) C

Berberine per altre condizioni

Acute Diarrhea C Gut Dysbiosis D

Verdetto rapido

Herbal antimicrobial protocol including berberine showed comparable efficacy to rifaximin for SIBO in retrospective study. Prospective RCT data limited.

Evidence Strength52%

Moderate confidence

Analisi degli studi

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

Confronta le alternative

Scoprite come si confrontano altri ingredienti per questa condizione.

Visualizza tutti gli ingredienti per Small Intestinal Bacterial Overgrowth (SIBO)

Approfondimenti

Avvertenza FDA: Queste affermazioni non sono state valutate dalla Food and Drug Administration. I prodotti e le informazioni presenti su questo sito web non sono destinati a diagnosticare, trattare, curare o prevenire alcuna malattia. I gradi di evidenza presentati si basano sulla nostra analisi della ricerca pubblicata e sottoposta a revisione paritaria e non costituiscono consulenza medica. Consultate sempre il vostro medico prima di iniziare qualsiasi regime di integrazione.