Last verified: 10 days ago
Berberine
Also known as: BBR, berberine hydrochloride, isoquinoline alkaloid, Coptis chinensis extract
Evidence under review. — Not yet rated
Plant alkaloid with real cholesterol-lowering and anti-inflammatory effects. Less proven for fat loss.
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What it does
Berberine is a bitter yellow compound extracted from plants like Coptis chinensis (goldenseal family). Clinical trials show it meaningfully lowers LDL cholesterol and inflammatory markers like...
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Evidence quality
Evidence base hasn't been formally rated yet. See research below.
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Clinical dose
1000-1500 mg daily based on study doses
What the Science Says
Berberine is a bitter yellow compound extracted from plants like Coptis chinensis (goldenseal family). Clinical trials show it meaningfully lowers LDL cholesterol and inflammatory markers like hs-CRP in people with metabolic conditions. It also shows durable promise in reducing colorectal adenoma recurrence after polypectomy, with protective effects lasting at least 6 years after stopping treatment. Typical doses studied range from 1000–1500 mg per day over 3–6 months.
What It Doesn't Do
Won't melt belly fat — a large 6-month RCT found no reduction in visceral fat or liver fat at 1g/day. Not a proven weight-loss pill despite heavy marketing as one. Cancer claims are almost entirely from lab and animal studies, not human trials. Not a replacement for diabetes medication. No solid human evidence for bone health or lung cancer treatment.
Evidence-Based Benefits
Lowers LDL cholesterol and apolipoprotein B in adults with metabolic conditions.
Moderate EvidenceEffective at: 1000 mg/day
Supporting studies (click to view on PubMed):
Reduces hs-CRP, a key blood marker of chronic inflammation, in overweight adults.
Moderate EvidenceEffective at: 1000-1500 mg/day
Supporting studies (click to view on PubMed):
Reduces colorectal adenoma recurrence after polypectomy, with effects lasting 6+ years post-treatment.
Moderate EvidenceEffective at: No established dose from provided studies
Supporting studies (click to view on PubMed):
Improves liver biochemical markers in patients with cholestatic liver disease.
Weak EvidenceEffective at: No established dose from provided studies
Supporting studies (click to view on PubMed):
Absorption & Bioavailability
Poor — berberine has notoriously low oral bioavailability due to poor intestinal absorption and rapid metabolism. Gut microbiota convert it to more absorbable forms (e.g., dihydroberberine), which may explain some of its effects. Nanoformulations are being studied to improve delivery but are not yet standard in supplements.
Red Flags to Watch For
- Poor bioavailability means many standard capsule doses may not deliver meaningful blood levels — look for products with absorption-enhancing technology or verified pharmacokinetics
- Often marketed as 'nature's Ozempic' for fat loss, but a rigorous 6-month RCT found no reduction in visceral or liver fat
- Can interact with medications metabolized by CYP enzymes, including some diabetes and heart drugs — consult a doctor before use
- Most cancer-related claims are based on preclinical (cell/animal) studies only — do not use as a cancer treatment
- Products in the NIH DSLD (821 registered) vary widely in dose and form — standardization is inconsistent across brands
Products Containing Berberine
See how Berberine is used in these analyzed products:
Theralogix Berberine Enhanced Absorption
Supplement
HUM Best of Berberine 1200mg with BioPerine
Supplement
Double Wood Berberine Supplement
Supplement
Smart Nutra Labs Premium Berberine HCL 1200mg
Supplement
Nature Made Berberine Phytosome Capsules
Supplement
IM8 Daily Ultimate Essentials
Supplement
Midi Berberine+
Supplement
Micro Ingredients Liver Advanced+
Supplement
Gosupps
Supplement
Berberine 500 mg by Double Wood Supplements
Supplement
Healthy Lipids Stack
Supplement
GLP-3 Drops USA
Supplement
Emma
Supplement
Thorne Berberine
Supplement
Double Wood Supplements Collagen Peptides Powder
Supplement
Frequently Asked Questions
What does Berberine do?
Plant alkaloid with real cholesterol-lowering and anti-inflammatory effects. Less proven for fat loss.
What is the effective dose of Berberine?
1000-1500 mg daily based on study doses
Is Berberine safe?
Poor bioavailability means many standard capsule doses may not deliver meaningful blood levels — look for products with absorption-enhancing technology or verified pharmacokinetics
What doesn't Berberine do?
Won't melt belly fat — a large 6-month RCT found no reduction in visceral fat or liver fat at 1g/day.
Research Sources
- PubMed
- NIH DSLD
This information is for educational purposes only and is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Last updated: 2026-06-01