What is the recommended dosage for Berberine?

General: 500 mg 2-3x/day with meals; Starting: 500 mg/day and titrate; Metabolic Support: 1,000-1,500 mg/day

What are the side effects of Berberine?

Potential side effects include: Diarrhea, Constipation, Flatulence, Abdominal pain, Potential hypoglycemia (when combined with diabetes medications).

What is berberine and how may it support weight management?

Berberine is an alkaloid found in several plants including goldenseal and barberry. It activates AMP-activated protein kinase (AMPK), an enzyme involved in metabolic regulation. Clinical trials suggest berberine may help improve insulin sensitivity, reduce blood sugar, and support modest improvements in body weight.

What dosage of berberine has been studied in clinical trials?

Most clinical studies have used 900–1,500 mg of berberine per day, divided into two or three doses taken with meals. A common regimen is 500 mg three times daily. Study durations ranged from 8 to 24 weeks.

What are the potential side effects of berberine?

Common side effects include diarrhea, constipation, flatulence, and abdominal pain. Berberine may lower blood sugar and should be used cautiously by individuals on diabetes medications due to hypoglycemia risk. It can interact with drugs metabolized by cytochrome P450 enzymes.

Berberine
Berberine

fat_metabolism

También conocido como: Berberine HCl, Berberine Hydrochloride, Goldenseal Extract, Coptis Extract

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About

A plant alkaloid that activates AMP-activated protein kinase (AMPK), the master metabolic regulator — a mechanism shared with the prescription medication metformin. Meta-analyses of clinical trials demonstrate berberine may support healthy body weight, blood sugar levels, and lipid profiles.

How It Works

Activates AMP-activated protein kinase (AMPK), the master metabolic regulator, in muscle, liver, and adipose tissue — a mechanism shared with metformin. Upregulates insulin receptor expression, improves glucose transporter (GLUT4) translocation, inhibits hepatic gluconeogenesis, and modulates gut microbiota composition (increasing Akkermansia, reducing Firmicutes/Bacteroidetes ratio).

Evidence For Conditions

Condición	Calificación	Estudios	Participantes
Insulin Resistance	A	27	2500	Ver →
Metabolic Syndrome	A	12	1068	Ver →
PCOS-Related Weight Management	C	6	400	Ver →

Side Effects

Diarrhea
Constipation
Flatulence
Abdominal pain
Potential hypoglycemia (when combined with diabetes medications)

Drug & Supplement Interactions

Diabetes medications (may potentiate — hypoglycemia risk)
CYP3A4 substrates (berberine is a CYP3A4 inhibitor)
CYP2D6 substrates
Cyclosporine
Metformin (additive effects)

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Datos rápidos

Dosificación: General: 500 mg 2-3x/day with meals; Starting: 500 mg/day and titrate; Metabolic_Support: 1,000-1,500 mg/day
Formas: capsule tablet
Fuentes naturales: Goldenseal, Oregon grape, Barberry, Chinese goldthread (Coptis), Phellodendron
Límite superior: 1,500 mg/day; GI side effects limit intake; potential drug interactions
Mejor momento: With meals (reduces GI discomfort and synchronizes with postprandial glucose metabolism)

Resumen de evidencia

Insulin Resistance A

Metabolic Syndrome A

PCOS-Related Weight Management C

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Aviso legal FDA: Estas declaraciones no han sido evaluadas por la Food and Drug Administration. Los productos y la información en este sitio web no están destinados a diagnosticar, tratar, curar ni prevenir ninguna enfermedad. Las calificaciones de evidencia presentadas se basan en nuestro análisis de investigación publicada revisada por pares y no constituyen consejo médico. Siempre consulte a su profesional de salud antes de comenzar cualquier régimen de suplementos.