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

다른 이름: Berberine HCl, Berberine Hydrochloride, Goldenseal extract, Oregon Grape extract

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About

Berberine is an isoquinoline alkaloid found in several plants including goldenseal, Oregon grape, and barberry. It activates the AMPK pathway in enterocytes and exhibits direct antimicrobial activity against various enteric pathogens. Research suggests berberine may help modulate gut microbiome composition, including supporting the growth of Akkermansia muciniphila, a keystone species for gut barrier health. It is increasingly studied as part of herbal antimicrobial protocols for 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

건강 상태	등급	연구	참여자
Acute Diarrhea	C	4	400	보기 →
Small Intestinal Bacterial Overgrowth (SIBO)	C	2	180	보기 →
Gut Dysbiosis	D	2	100	보기 →

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)

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Related Ingredients

Peppermint Oil Ginger Slippery Elm Deglycyrrhizinated Licorice (DGL) Curcumin

핵심 정보

용량: 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
제형: capsule tablet liquid extract
천연 원료: Goldenseal (Hydrastis canadensis), Oregon grape (Mahonia aquifolium), Barberry (Berberis vulgaris), Coptis (Coptis chinensis), Phellodendron (Amur cork tree)
상한 섭취량: Generally well-tolerated up to 1,500 mg/day in divided doses
권장 복용 시간: With meals; divide doses throughout the day (do not take full daily dose at once)

근거 요약

Acute Diarrhea C

Small Intestinal Bacterial Overgrowth (SIBO) C

Gut Dysbiosis D

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