Berberine HCl
Activates AMPK (same pathway as metformin). Improves insulin sensitivity, lowers LDL, and reduces fasting glucose. Sometimes called 'nature's metformin' — mechanistically similar but weaker.
This compound sits in research-grey territory. The caveats below carry more weight than for FDA-approved entries — read them.
Isoquinoline alkaloid from Berberis plants. AMPK activation improves glucose uptake and inhibits hepatic gluconeogenesis. Multiple RCTs show HbA1c reductions comparable to metformin in T2DM. Emerging data on gut microbiome modulation and cancer signaling inhibition.
GI side effects (nausea, cramping, diarrhea) common at 500 mg 3×/day — start low. CYP3A4 inhibitor: interacts with cyclosporine, some statins. Poor bioavailability unless taken with food or dihydroberberine form.
Per-claim grading. Each claim is graded independently — same peptide, different claims can carry different grades.
- CLimited evidence
Berberine HCl — primary mechanism: activates ampk (same pathway as metformin). improves insulin sensitivity, lowers ldl, and reduces fasting glucose. sometimes called 'nature's metformin' — mechanistically similar but weaker.
2 supporting referencesVerified 5d ago
External links to PubMed searches, ClinicalTrials.gov, and FDA materials. We do not host papers — we point at canonical sources.
Dietary supplement (US). Prescription drug in China for T2DM.