Berberine HCl
Herb ·Exploratory record · not publication-reviewed ·Updated July 13, 2026
Enhanced form of berberine with better bioavailability for metabolic support.
Exploratory record, not a reviewed medical publication.
See the editorial and medical-review policies for the publication gate.
This generated database record has not completed a claim-level review by a qualified human medical reviewer. Bibliography links and evidence labels are not approval. The page remains available for reference and is excluded from search indexing.
What the research says.
A quick, data-only summary. The full evidence, dosing, and sources are below.
Berberine HCl is a herb most often used for blood sugar, cholesterol, gut health. NutriStack rates the overall evidence as strong. A typical adult dose is 500 mg 2-3x daily, commonly taken as berberine hcl or dihydroberberine (better bioavailability). This profile indexes 18 sources.
The bottom line
Evidence rating strong. Most-documented uses: blood sugar, cholesterol, gut health. 18 sources indexed (2004–2025), with 0 interaction records on file.
How it works, mechanistically.
Core mechanism
Same as berberine, AMPK activation, mitochondrial Complex I inhibition. HCl salt form may offer improved dissolution.15,16
Dosing & protocol.
Take with meals3
What it actually costs.
Real-world pricing across three quality tiers. Assumes Berberine HCl.
Assumes about 1,000-1,500 mg/day split with meals. Premium products usually reflect dihydroberberine blends or higher-end manufacturing rather than much lower daily dosing. Updated 2026-04-02.
The same dose, as food.
How much you'd eat to match a supplemental dose.
The hydrochloride salt is a concentrated supplement form; culinary foods do not provide comparable berberine doses.
Full safety detail.
Side effects
- GI upset
- Constipation
- Low blood sugar
- Clinically relevant drug interaction potential via CYP2D6, CYP2C9, CYP3A4, and P-glycoprotein inhibition
- Additive blood sugar or blood pressure lowering with related medications
Sources, by evidence tier.
Numbered references. Citations throughout the page link here.
Meta-analyses & systematic reviews
5- 1Berberine and health outcomes: An umbrella reviewPMIDAsbaghi O et al. · Food Chem Toxicol · 2023
Umbrella review confirms berberine's benefits for metabolic parameters with generally favorable safety profile; no severe adverse effects reported in clinical trials.
- 2Glucose-lowering effect of berberine on type 2 diabetes: A systematic review and meta-analysisPMIDPang B et al. · J Ethnopharmacol · 2022
Berberine reduced FPG by 0.82 mmol/L, HbA1c by 0.63%, and 2hPBG by 1.16 mmol/L, all statistically significant in type 2 diabetes patients.
- 3The effect of berberine supplementation on obesity parameters, inflammation and liver function enzymes: A systematic review and meta-analysis of randomized controlled trialsPMIDAsbaghi O et al. · Clin Exp Pharmacol Physiol · 2020
Berberine supplementation significantly reduced body weight (average 2.07 kg), BMI (0.47 kg/m2), and waist circumference (1.08 cm) across RCTs.
- 4The effects of berberine on blood lipids: a systemic review and meta-analysis of randomized controlled trialsPMIDDong H et al. · Planta Med · 2013
Berberine significantly reduced total cholesterol, triglycerides, and LDL cholesterol with a remarkable increase in HDL cholesterol.
- 5A meta-analysis of the effect of berberine on blood lipidsSource linkedPMIDDong H, Wang N, Zhao L, Lu F · Planta Med · 2012
Randomized controlled trials
4- 6Repeated administration of berberine inhibits cytochromes P450 in humansPMIDGuo Y et al. · European Journal of Clinical Pharmacology · 2012
Human study found repeated berberine administration inhibited CYP2D6, CYP2C9, and CYP3A4 activity.
- 7Efficacy of berberine in patients with type 2 diabetes mellitusSource linkedPMIDYin J, Xing H, Ye J · Metabolism: clinical and experimental · 2008
- 8Effects of berberine on the blood concentration of cyclosporin A in renal transplanted recipients: clinical and pharmacokinetic studyPMIDWu X, Li Q, Xin H, Yu A, Zhong M · European Journal of Clinical Pharmacology · 2005
Clinical pharmacokinetic study found berberine increased cyclosporine exposure in renal transplant recipients.
- 9Berberine is a novel cholesterol-lowering drug working through a unique mechanism distinct from statinsSource linkedPMIDKong W, Wei J, Abidi P et al. · Nat Med · 2004
Reviews & position papers
4- 10Enhancing food system protection: synergistic action of engineered endolysin LYSMP and berberine hydrochloride against Streptococcus suis on porkPMIDWang Y, Li H, Cui Y et al. · Food research international (Ottawa, Ont.) · 2025
Wang Y, Li H, Cui Y et al.. Enhancing food system protection: synergistic action of engineered endolysin LYSMP and berberine hydrochloride against Streptococcus suis on pork. Food research international (Ottawa, Ont.). 2025
- 11NIR-responsive carrier-free nanoparticles based on berberine hydrochloride and indocyanine green for synergistic antibacterial therapy and promoting infected wound healingPMIDDuan Y, Xu P, Ge P et al. · Regenerative biomaterials · 2023
Duan Y, Xu P, Ge P et al.. NIR-responsive carrier-free nanoparticles based on berberine hydrochloride and indocyanine green for synergistic antibacterial therapy and promoting infected wound healing. Regenerative biomaterials. 2023
- 12Efficacy and safety of triple therapy containing berberine hydrochloride, amoxicillin, and rabeprazole in the eradication of Helicobacter pyloriPMIDChen XX, Chen YX, Bi HX et al. · Journal of digestive diseases · 2022
Chen XX, Chen YX, Bi HX et al.. Efficacy and safety of triple therapy containing berberine hydrochloride, amoxicillin, and rabeprazole in the eradication of Helicobacter pylori. Journal of digestive diseases. 2022
- 13Supramolecular interaction of ethylenediamine linked beta-cyclodextrin dimer and berberine hydrochloride by spectrofluorimetry and its analytical applicationPMIDLiu F, Liang HL, Xu KH et al. · Talanta · 2007
Liu F, Liang HL, Xu KH et al.. Supramolecular interaction of ethylenediamine linked beta-cyclodextrin dimer and berberine hydrochloride by spectrofluorimetry and its analytical application. Talanta. 2007
Mechanistic & preclinical
3- 14Berberine Modulates Gut Microbiota and Reduces Insulin Resistance via the TLR4 Signaling PathwayPMIDLiu D et al. · Exp Clin Endocrinol Diabetes · 2018
Berberine reversed high-fat diet-induced gut microbiota changes by restoring Bifidobacterium and reducing E. coli; may reduce insulin resistance via LPS/TLR4/TNF-alpha inhibition.
- 15Inhibition of lipid synthesis through activation of AMP kinase: an additional mechanism for the hypolipidemic effects of berberinePMIDBrusq JM et al. · J Lipid Res · 2006
Berberine inhibits lipid synthesis in human hepatocytes through AMPK activation, with increased fatty acid oxidation via phosphorylation of acetyl-CoA carboxylase.
- 16Berberine, a natural plant product, activates AMP-activated protein kinase with beneficial metabolic effects in diabetic and insulin-resistant statesPMIDLee YS et al. · Diabetes · 2006
Berberine activates AMPK with beneficial effects in diabetic and insulin-resistant states; upregulates fatty acid oxidation genes and downregulates lipogenesis genes.
Reference material
2- 17Zhang Y, Wang J, Hou D et al.. To assess the effective and safety of berberine hydrochloride in ulcerative colitis: A protocol for systematic review and meta-analysis. Medicine. 2020Source linkedPMID
- 18Chen C, Tao C, Liu Z et al.. A Randomized Clinical Trial of Berberine Hydrochloride in Patients with Diarrhea-Predominant Irritable Bowel Syndrome. Phytotherapy research : PTR. 2015Source linkedPMID
Common questions.
Quick answers about Berberine HCl, drawn from the data on this page.
What is Berberine HCl?
Enhanced form of berberine with better bioavailability for metabolic support.
What is Berberine HCl used for?
Commonly cited benefits of Berberine HCl include: Blood sugar; Cholesterol; Gut health; Weight management. NutriStack rates the overall evidence as strong.
What is a typical dose of Berberine HCl?
A typical adult dose of Berberine HCl is 500 mg 2-3x daily. The commonly recommended form is Berberine HCl or dihydroberberine (better bioavailability). These are general ranges, not personalized advice; confirm the right dose with a clinician.
What are the side effects of Berberine HCl?
Reported side effects include gi upset, constipation, low blood sugar, clinically relevant drug interaction potential via cyp2d6, cyp2c9, cyp3a4, and p-glycoprotein inhibition, additive blood sugar or blood pressure lowering with related medications. This is educational information; check with a healthcare professional before use.
How strong is the evidence for Berberine HCl?
NutriStack rates this as Strong, meaning multiple high-quality meta-analyses or systematic reviews converge on the same finding. Full tier criteria are at https://nutristackapp.com/methodology/evidence-tiers.
Deep dives & adjacent profiles.
This page is educational. Do not start, stop, or change a supplement or medication based on it without checking with a qualified healthcare professional.
Use this with your stack
Berberine HCl in NutriStack.
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