Berberine for Gut Dysbiosis
DPreclinical evidence that berberine modulates microbiome composition. Limited human microbiome data.
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D
The Bottom Line
Preclinical evidence that berberine modulates microbiome composition. Limited human microbiome data.
Key Study Findings
Other
Design and Activity Evaluation of Berberine-Loaded Dual pH and Enzyme-Sensitive Colon-Targeting Microparticles.
Dose: None
vs: Free berberine; DSS-induced UC model vs normal mice
Outcome: DAI scores, inflammatory cytokines, gut microbiota
Effect: None
<0.01 (DAI); <0.05 (cytokines)
Population: DSS-induced UC mouse model (male KM mice)
Review
Natural Bioactive Compounds in the Management of Type 2 Diabetes and Metabolic (Dysfunction)-Associated Steatotic Liver …
Dose: None
vs: None
Outcome: None
Effect: None
None
Population: None
Other
Oxyberberine alleviates fructose-induced hyperuricemia by modulating purine metabolism and gut microbiota.
Dose: None
vs: Fructose-induced HUA control
Outcome: Serum uric acid levels
Effect: None
None
Population: Fructose-induced hyperuricemia rats
Review
Perspectives on Berberine and the Regulation of Gut Microbiota: As an Anti-Inflammatory Agent.
Dose: None
vs: None
Outcome: None
Effect: None
None
Population: None
Other
Co-administration of berberine and evodiamine: Mitigating evodiamine-induced hepatotoxicity and potentiating colitis treatment.
Dose: None
vs: EVO alone; colitis mouse model
Outcome: Hepatotoxicity markers and colitis inflammation
Effect: None
None
Population: C57 mice (normal and colitis models)
In Vitro
1 weeks
Phellodendron bark extract and berberine chloride suppress microbiome dysbiosis in a saliva-derived in vitro microcosm …
Dose: None
vs: Untreated biofilm control
Outcome: Microbiome dysbiosis suppression in biofilm
Effect: None
None
Population: Saliva-derived in vitro microcosm biofilm model with P. gingivalis
Key Statistics
2
Studies
100
Participants
↑
Positive
D
Grade
Referenced Papers
International journal of …
2025
15 citations
Colloids and surfaces. …
2025
11 citations
Pharmaceuticals (Basel, Switzerland)
2025
8 citations
Perspectives on Berberine and the Regulation of Gut Microbiota: As an Anti-Inflammatory Agent.
Review
Pharmaceuticals (Basel, Switzerland)
2025
8 citations
Inflammatory bowel diseases
2025
2 citations
Pharmaceutics
2025
2 citations
Phytomedicine : international …
2025
2 citations
The Journal of …
2025
1 citations
European journal of …
2025
Archives of oral …
2025
Frontiers in nutrition
2025
Biomedicine & pharmacotherapy …
2024
17 citations
Berberine Effects in Pre-Fibrotic Stages of Non-Alcoholic Fatty Liver Disease-Clinical and Pre-Clinical Overview and Systematic Review of the Literature.
Systematic Review
International journal of …
2024
14 citations
Frontiers in pharmacology
2024
9 citations
Hepatology communications
2024
9 citations
Frontiers in microbiology
2024
6 citations
Frontiers in microbiology
2024
5 citations
Indian journal of …
2024
2 citations
Gut microbes
2023
108 citations
Biomedicine & pharmacotherapy …
2023
61 citations
International journal of …
2023
48 citations
Journal of ethnopharmacology
2023
29 citations
Frontiers in pharmacology
2023
20 citations
International journal of …
2023
18 citations
Current pharmaceutical design
2023
10 citations
Journal of oral …
2023
10 citations
Journal of neurogastroenterology …
2023
4 citations
Berberine interacts with gut microbiota and its potential therapy for polycystic ovary syndrome.
Review
Clinical and experimental …
2023
2 citations
Microorganisms
2022
212 citations
Food & function
2022
83 citations
Phytomedicine : international …
2022
67 citations
Biomaterials science
2022
34 citations
Microbiology spectrum
2022
25 citations
Brazilian journal of …
2022
12 citations
Pharmacological research
2021
186 citations
Pharmacological research
2021
147 citations
Acta pharmacologica Sinica
2021
63 citations
Frontiers in pharmacology
2021
42 citations
Frontiers in immunology
2021
22 citations
Comprehensive Physiology
2021
21 citations
International journal of …
2021
20 citations
Targeting gut barrier dysfunction with phytotherapies: Effective strategy against chronic diseases.
Review
Pharmacological research
2020
65 citations
Berberine for prevention of dementia associated with diabetes and its comorbidities: A systematic review.
Systematic Review
Journal of integrative …
2020
33 citations
Pharmacological research
2019
166 citations
American journal of …
2019
117 citations
Biomedicine & pharmacotherapy …
2019
72 citations
Scientific reports
2019
51 citations
Pharmacological research
2019
31 citations
Science China. Life …
2018
17 citations
Alternative therapies in …
2017
9 citations
Dosage & Usage
mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units
Commonly Used Dosages
- 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
Upper limit: Generally well-tolerated up to 1,500 mg/day in divided doses
Dosages Studied in Research
| Dosage | Duration | Effect | N |
|---|---|---|---|
| None | -- | Positive | -- |
| None | -- | Mixed | -- |
| None | -- | Positive | -- |
| None | -- | Mixed | -- |
| None | -- | Positive | -- |
| None | 1 weeks | Positive | -- |
| None | -- | Mixed | -- |
| None | -- | Positive | -- |
Best taken: With meals; divide doses throughout the day (do not take full daily dose at once)
Safety & Side Effects
Reported Side Effects
- ⚠ GI side effects (diarrhea, constipation, flatulence, abdominal pain) — most common
- ⚠ May cause uterine contractions (contraindicated in pregnancy)
- ⚠ Headache
- ⚠ Skin rash (rare)
Known Interactions
- ● 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)
Tolerable upper intake: Generally well-tolerated up to 1,500 mg/day in divided doses
Always consult your healthcare provider before starting any supplement.
Frequently Asked Questions
Does Berberine help with Gut Dysbiosis?
Based on 2 studies with 100 participants, there is preliminary evidence that needs more research that Berberine may support Gut Dysbiosis management. Our evidence grade is D (Very Early Research).
How much Berberine should I take for Gut Dysbiosis?
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 Gut Dysbiosis?
We rate the evidence as Grade D (Very Early Research). This rating is based on 2 peer-reviewed studies with 100 total participants. The overall direction of effect is positive.
Related Evidence
Other ingredients for Gut Dysbiosis
Berberine for other conditions
FDA Disclaimer: These statements have not been evaluated by the Food and Drug Administration. The products and information on this website are not intended to diagnose, treat, cure, or prevent any disease. The evidence grades presented are based on our analysis of published peer-reviewed research and do not constitute medical advice. Always consult your healthcare provider before starting any supplement regimen.