What is the recommended dosage for Berberine?

General: 500-1,500 mg/day in divided doses; Sibo Protocol: 500 mg two to three times daily for 4 weeks (as part of herbal antimicrobial protocol); Gi Antimicrobial: 500 mg twice daily

What are the side effects of Berberine?

Potential side effects include: GI side effects (diarrhea, constipation, flatulence, abdominal pain) — most common, May cause uterine contractions (contraindicated in pregnancy), Headache, Skin rash (rare).

What is berberine and how does it work for gut health?

Berberine is a bioactive alkaloid found in plants like goldenseal, barberry, and Oregon grape. Research suggests it may support gut health by modulating the gut microbiome, enhancing intestinal barrier function, and exerting antimicrobial effects against harmful bacteria. It also activates AMPK, an enzyme involved in metabolic regulation that may influence gut inflammation.

What is the recommended dosage of berberine?

Most clinical studies use berberine at 900-1500 mg per day, divided into 2-3 doses taken with meals. A common protocol is 500 mg three times daily. Splitting the dose helps maintain stable blood levels and may reduce gastrointestinal side effects, which are more common at higher single doses.

Are there side effects or interactions with berberine?

The most common side effects of berberine are gastrointestinal, including diarrhea, constipation, flatulence, and abdominal pain, particularly at higher doses. Berberine has significant drug interactions — it can affect the metabolism of medications processed by CYP enzymes, including statins, blood thinners, and diabetes medications. It should not be used during pregnancy, and medical supervision is strongly recommended.

Berberine
Berberine

herb

Aussi connu sous le nom de: Berberine HCl, Berberine Hydrochloride, Goldenseal extract, Oregon Grape extract

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About

La berbérine est un alcaloïde isoquinoléique présent dans plusieurs plantes, notamment l'hydraste, le raisin d'Oregon et l'épine-vinette. Elle active la voie AMPK dans les entérocytes et présente une activité antimicrobienne directe contre divers pathogènes entériques. La recherche suggère que la berbérine peut aider à moduler la composition du microbiome intestinal, y compris en soutenant la croissance d'Akkermansia muciniphila, une espèce clé pour la santé de la barrière intestinale. Elle est de plus en plus étudiée dans le cadre de protocoles antimicrobiens à base de plantes pour le SIBO.

How It Works

Activates AMPK pathway in enterocytes modulating cellular energy metabolism; directly antimicrobial against enteric pathogens (E. coli, Staphylococcus, Candida); modulates gut microbiome composition increasing Akkermansia muciniphila; enhances intestinal barrier via tight junction protein upregulation.

Evidence For Conditions

Pathologie	Note	Études	Participants
Acute Diarrhea	C	4	400	Voir →
Small Intestinal Bacterial Overgrowth (SIBO)	C	2	180	Voir →
Gut Dysbiosis	D	2	100	Voir →

Side Effects

GI side effects (diarrhea, constipation, flatulence, abdominal pain) — most common
May cause uterine contractions (contraindicated in pregnancy)
Headache
Skin rash (rare)

Drug & Supplement Interactions

Diabetes medications (berberine significantly lowers blood sugar; risk of hypoglycemia)
Cyclosporine (berberine inhibits CYP3A4, increasing cyclosporine levels)
Anticoagulants (may have additive blood-thinning effects)
Metformin (additive glucose-lowering effect; monitor closely)
Macrolide antibiotics (berberine inhibits CYP3A4)

Informez toujours votre professionnel de santé de tous les compléments alimentaires que vous prenez.Informez toujours votre professionnel de santé de tous les compléments que vous prenez.

Related Ingredients

Peppermint Oil Ginger Slippery Elm Deglycyrrhizinated Licorice (DGL) Curcumin

En bref

Posologie: General: 500-1,500 mg/day in divided doses; Sibo_Protocol: 500 mg two to three times daily for 4 weeks (as part of herbal antimicrobial protocol); Gi_Antimicrobial: 500 mg twice daily
Formes: capsule tablet liquid extract
Sources naturelles: Goldenseal (Hydrastis canadensis), Oregon grape (Mahonia aquifolium), Barberry (Berberis vulgaris), Coptis (Coptis chinensis), Phellodendron (Amur cork tree)
Limite supérieure: Generally well-tolerated up to 1,500 mg/day in divided doses
Meilleur moment: With meals; divide doses throughout the day (do not take full daily dose at once)

Synthèse des preuves

Acute Diarrhea C

Small Intestinal Bacterial Overgrowth (SIBO) C

Gut Dysbiosis D

Avertissement FDA: Ces déclarations n'ont pas été évaluées par la Food and Drug Administration. Les produits et informations sur ce site ne sont pas destinés à diagnostiquer, traiter, guérir ou prévenir quelque maladie que ce soit. Les notes de preuve présentées sont basées sur notre analyse de la recherche publiée et évaluée par des pairs et ne constituent pas un avis médical. Consultez toujours votre professionnel de santé avant de commencer tout régime de compléments alimentaires.