Berberine for SIBO Prevention
Berberine appears in herbal antimicrobial protocols with modest comparative-trial support.
Overview
Verdict
How It Works
Dosing & Protocol
Typical dose
- Recommended dose
- 500mg two to three times daily under guidance
- Expected timeframe
- 2-4 weeks
Protocol
- studied dose
- 500 mg two to three times daily as part of a multi-herb antimicrobial combination, for 4 weeks, in a single comparative treatment study
- evidence note
- Verdict is insufficient - prevention has never been studied
- what happened
- That combination was non-inferior to rifaximin for breath test normalisation in people who already had SIBO. Berberine alone was not isolated, and no trial has tested whether it prevents SIBO recurring
- if you still trial it
- Do it under medical supervision and time-limited, not open-ended
- what actually prevents recurrence
- Addressing the underlying cause - motility disorder, adhesions, hypochlorhydria, opioid use - plus a prokinetic where a gastroenterologist advises it
Evidence
What the studies say
Rifaximin versus herbal antimicrobials for small intestinal bacterial overgrowth
Chedid V, Dhalla S, Clarke JO +6 more
Herbal antimicrobials achieved breath-test normalisation in 46% of patients compared with 34% for rifaximin
Herbal Therapy Is Equivalent to Rifaximin for the Treatment of Small Intestinal Bacterial Overgrowth
Chedid V, Dhalla S, Clarke JO +6 more
Response rate for the herbal therapy group was 46% compared with 34% for the rifaximin group in patients with small intestinal bacterial overgrowth.
The unexpected uses of urso- and tauroursodeoxycholic acid in the treatment of non-liver diseases
Vang S, Longley K, Steer CJ +1 more
Herbal antimicrobials achieved breath-test normalisation in 46% of patients compared with 34% for rifaximin
Safety
Caveats
Interacts with many medications via CYP inhibition. Not for pregnancy. Does not address the underlying motility cause.
Less likely to help if
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