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Berberine

Plant alkaloid with significant metabolic benefits. Research shows effects comparable to some diabetes medications for blood sugar management.

Capsule, Tablet|Energy, Gut Health|From $0.28/serve

How it works

Mechanism of Action

Activates AMP-activated protein kinase (AMPK), the body's metabolic master switch. Improves insulin sensitivity, reduces glucose production in the liver, and modulates gut microbiota.

Evidence-based uses

What Berberine Is Used For

Energy

Comparable to metformin in some studies for blood sugar management. May interact with many medications — check interactions.

Moderate
500-1500mg/day
Split into 2-3 doses with meals to reduce GI side effects. Start low at 500mg.
4-8 weeks

Clinical Evidence

Efficacy of Berberine in Patients with Type 2 Diabetes Mellitus (2008)RCT · n=116

Berberine 500mg 3x/day showed significant reductions in HbA1c, fasting blood glucose, and triglycerides, comparable to metformin.

Gut Health

Modulates gut microbiota composition. May help with SIBO. Can cause initial GI discomfort.

Preliminary
500-1500mg/day
Take with meals. Start with 500mg once daily.
4-8 weeks

Clinical Evidence

Berberine alters gut microbiota composition in diarrhea-predominant IBS (2020)RCT · n=132

Berberine significantly modulated gut microbiota, reduced abdominal pain, diarrhea frequency, and improved quality of life scores.

Safety

Interactions & Warnings

Metforminmajor · drug

Both lower blood sugar. Combined use may cause dangerous hypoglycemia. Do not combine without medical supervision.

Cyclosporinemajor · drug

Berberine inhibits CYP3A4, significantly increasing cyclosporine blood levels. Avoid combination.

Blood thinners (warfarin)moderate · drug

Berberine may affect CYP2C9, potentially altering warfarin metabolism. Monitor INR closely.

Statinsmoderate · drug

Berberine inhibits CYP3A4 which metabolises many statins. May increase statin levels and side effects.

Compare prices

Buy Berberine in Australia

5 products compared across Australian retailers. Sorted by price per serve.

ProductPrice/serve
Best

NOW Foods

NOW Berberine Glucose Support

iHerb

$24.90$0.28Buy

Sunergetic

Sunergetic Premium Berberine

Amazon AU

$34.95$0.39Buy

Life Extension

Life Extension Optimized Berberine

Life Extension

$28.00$0.47Buy

Herbs of Gold

Herbs of Gold Berberine

Mr Vitamins

$39.95$0.67Buy

Thorne

Thorne Berberine-500

Thorne

$42.00$0.70Buy

Prices in AUD. Some links are affiliate links — we may earn a commission at no extra cost to you.

Should you take Berberine?

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This information is for educational purposes only and is not intended as medical advice. Always consult a healthcare professional before starting any supplement. Evidence ratings are based on peer-reviewed clinical research. Individual results may vary.