Skip to main content
CompoundStrong Evidence

Berberine

A plant alkaloid with metabolic effects comparable to metformin in multiple clinical trials, activating AMPK to regulate blood sugar, lipids, and gut microbiome. One of the most impressive natural metabolic compounds.

Known Health Benefits

Blood sugar regulation comparable to metformin (AMPK activation)
LDL and triglyceride reduction
Gut microbiome modulation and antimicrobial
PCOS metabolic support

Active Compounds

Berberine hydrochloride (from Berberis, Goldenseal, Oregon Grape)

Dosage Guidance

500 mg 2–3x daily with meals

Always consult a healthcare provider for personalized dosing.

Potential Side Effects

GI discomfort, nausea, constipation or diarrhea common initially; start low and increase

Known Drug Interactions

MAJOR: significantly enhances metformin and diabetes medications; inhibits CYP2D6, CYP3A4 — many drug interactions

Evidence Classification

Strong Evidence

Supported by randomized controlled trials (RCTs), systematic reviews, or meta-analyses published in peer-reviewed journals.

Related Entries

Have questions about Berberine?

Ask Mother Nature AI about dosing, interactions with your medications, whether it fits your health goals, and more — personalized to your health profile.

This entry is for educational purposes only. It is not medical advice. Always consult a qualified healthcare provider before starting, stopping, or changing any supplement regimen, especially if you take medications or have health conditions.