Herbal antimicrobials
Oregano oil
3.8 (494 owner comments)
Bloating & gasSide effects
“- solved the bloating with berberine and oil of oregano”
What owners report →Medical disclaimer: GutVerdict summarizes what people say about supplements on Reddit. It is not medical advice, and nothing here is meant to diagnose, treat, cure, or prevent any disease. These statements have not been evaluated by the Food and Drug Administration. Talk to your doctor or pharmacist before starting a supplement, especially if you are pregnant, take medicines, or have a medical condition. New, severe or worsening symptoms (such as blood in the stool, weight loss, fever, or night-time symptoms) need a doctor, not a supplement. Full disclaimer.
Herbal antimicrobials · capsules
Candibactin-AR / BR: What People With IBS Report on Reddit
Illustration, not a product photo.
Two Metagenics herbal formulas (AR: thyme, oregano, sage, lemon balm oils; BR: berberine plus herbs).
3.5 GutVerdict score
121 owner comments (42 with a clear rating) from r/SIBO, r/Microbiome, r/IBS, November 2025 to October 2026. Top 87% of the 36 rated supplements.
Owner sentiment3.5
Recommendations1.9
Tolerability4.5
ValueNot rated
Value is not rated: the example products differ too much in dose to compare cost fairly. How we score.
The short version
Candibactin-AR / BR is rated below most supplements we track: 3.5/5. Of 42 rated owner comments, 29 were positive, 1 mixed and 12 negative; 4 mention an unwanted effect. People talk most about side effects and cost.
Reddit comments are self-reported and unverified. They tell you what people noticed, not whether a supplement works or is safe for you.
Before starting, check gut supplement safety and interactions. Reddit owners also rank supplements by SIBO reports. See what owners report about gut supplements for constipation.
What it is
- A 2024 randomized trial looked at whether herbal supplements and probiotics added benefit to standard SIBO care.[PubMed]
Safety and interactions
- Candibactin-BR contains berberine; see the berberine interaction notes and ask a doctor if you take other medicines.[NCCIH]
Supplements can interact with medicines. Talk to a doctor or pharmacist first, especially if you are pregnant, take prescription medicine, or have red-flag symptoms. See supplement safety and interactions.
Reports by symptom
| Context | Rated owner comments | Positive | Negative | Unwanted effects |
|---|---|---|---|---|
| SIBO | 40 | 27 | 12 | 4 |
| After antibiotics | 8 | 5 | 2 | 0 |
| Bloating & gas | 7 | 5 | 2 | 0 |
| IBS-C & constipation | 5 | 3 | 1 | 0 |
| IBS-D & loose stools | 3 | 1 | 2 | 1 |
What Reddit owners say
Commonly praised
- Cost: 2 owner comments
- Urgency & loose stools: 1 owner comment
- Bloating & gas: 1 owner comment
Common complaints
- Side effects: 4 owner comments
- Cost: 1 owner comment
- Pain & cramping: 1 owner comment
4/5“I went to a doctor that told me to take allicin and candibactin-br for months and it helped rebalance my gut.”
4/5“I took antibiotics five times, it kept coming back, so my doctor recommended Candibactin AR and BR.”
4/5 Side effects“Candibactin AR, which contains oregano oil, helped me the most.”
2/5 Taste & texture“You may be reacting to any of the herbs that appear in the herbal mixes like CandiBactin or Dysbiocide among others.”
2/5 Side effects“I took CandiBactin AR/BR for six weeks. There were side effects and I eliminated AR at three weeks. It started working at 3-4 weeks in, most symptoms gone, but then three weeks after I finished, I relapsed.”
+30 more owner comments
4/5 Urgency & loose stools“Before taking Candibactin it was like most sibo stools look like, swimming, loosen, not far away from diarrhea, and ofc more than 2 or 3 times a day.”
4/5“was just browsing to see if I could find any similar info as I'm newly on my (self prescribed) candibactin ar & br regiment as of today for my hydrogen sibo.”
4/5“But what really worked for me was a 6-week course of Metagenics CandiBactin-BR and CandiBactin-AR, followed by a good probiotic after the 6 week course.”
4/5“Candibactin for me and mint tea are giving me some relief but it’s definitely going to take a few days!”
2/5“I stopped taking antibiotics and antacids, took Candibactin AR twice a day for several months, took prokinetics like Triphala and Artichoke/Ginger extract, and stopped trying to eat fiber or probiotics.”
5/5“Candibactin AR and BR has been a game changer for me”
4/5“Also on neem again, Candibactin AR, and Benecin Defense Allicin (but it is NOT therapeutic for SIBO or IMO -- just a really good immune supplement.) I am doing things for motility- going to PT for this as well as taking "gut motility" and…”
2/5 Pain & crampingSide effects“I also had to stop Candibactin AR as it was too potent and gave me severe leg cramps.”
5/5“I took candibactin ar and br for 3 weeks after my first round of antibiotics.”
4/5“For herbals brands I did candidase, candibactin br and ar.”
2/5“I took a 6 week round of candibactin ar amd br.”
4/5“My gastro doc recommended Candibactin AR and BR.”
4/5“I tried courses of CandiBactin and then FC-Cidal + Dysbiocide.”
4/5“Candibactin AR and BR, worked well for me too.”
4/5“Are you sure about the candibactins? If they help and you needed them that’s great. They wiped out my superhuman microbiome, I took them because I feared I had “leftover” pathogens 😪”
4/5“I did couple rounds of elemental diet and then used Candibactin AR/BR for weeks after to put halt to much of it.”
4/5“Candibactin ar and br has helped me significantly but it is a veryyyy long and slow road to recovery.”
4/5“The Candibactin AR & BR are what finally worked for me.”
2/5 Cost“In the past I tried natural antibiotics like Candibactin from Metagenics, GI-Synergy, and even Allimed, but found they didn’t do much, and were mostly my a waste of money.”
4/5“If so beware of Candibactin-**AR**, the non-active aromatic partner to Candibactin-BR.”
2/5“I was taking Candibactin Ar and BR recently and decided to use interfase plus to break biofilms.”
4/5“I felt better for a while and then returned to worsen now again I’m filling better, start low and increase your dosage ( oregano oil, bebrine ) or candibactin(AR,BR) to 6 cap daily of each 2 of each 3 times with meals, add ginger, swedish…”
2/5 Side effects“Continued with CandiBactin-BR, which worked.”
2/5“Ive tried candibactin ar and br and it didn't help.”
4/5“CandiBactin worked for me for hydrogen SIBO.”
4/5“Ive started candibactin AR and BR for about 5 days now and besides dealing with feeling pretty bad for the first few days I’m starting to feel substantially better.”
4/5 Bloating & gas“I found naturopathic approach worked better for me with ADP oregano and candibactin AR/BR for the hydrogen and it ultimately cleared my SIBO but I never felt 100% even testing normal and I later learned about APD.”
2/5 Fast-actingUrgency & loose stools“Die off was worse two months ago with CandiBactin.”
2/5“I found FC-Cidal + Dysbiocide much gentler than CandiBactin AR + BR.”
4/5“I had to switch to Candibactin AR and BR before I saw any improvement.”
Example products
These are examples of Candibactin-AR / BR products sold on Amazon. They are not ranked by Reddit and the score above is for the ingredient, not a specific product. Check the label for dose and other ingredients.
Example product · not Reddit-scored
Metagenics CandiBactin-BR Berberine HCl 400 mg Gut Support, 90 Tablets
$53.95 on Amazon (price as of 2026-11-03). Prices change; check Amazon for the current price.
Example product · not Reddit-scored
Metagenics CandiBactin-AR Oregano Oil & Thyme Gut Support, 120 Softgels
$94.95 on Amazon (price as of 2026-11-03). Prices change; check Amazon for the current price.
Research to read
Published studies (we list them so you can read the evidence yourself; inclusion is not an endorsement):
- Nutrients 2024: Do Herbal Supplements and Probiotics Complement Antibiotics and Diet in the Management of SIBO? A Randomized Clinical Trial.
- J Altern Complement Med 2021: Alternative Treatment Approaches to Small Intestinal Bacterial Overgrowth: A Systematic Review.
FAQ
What do people with IBS say about Candibactin-AR / BR on Reddit?
Across 121 Reddit comments from people who say they have used it, 29 of 42 rated comments were positive and 12 negative, for a GutVerdict score of 3.5/5. These are self-reported experiences, not clinical evidence.
Do people report side effects with Candibactin-AR / BR?
4 of 42 rated owner comments (10%) describe an unwanted effect such as gas, bloating or an upset stomach. Check the safety notes on this page and ask a doctor or pharmacist before starting.
Who talks about Candibactin-AR / BR most?
Most rated owner comments come from people in r/SIBO and others who mention SIBO (40 comments, 27 positive).
Is Candibactin-AR / BR scored on clinical evidence?
No. The score summarizes Reddit owner comments only. Factual statements on this page link to NIH or PubMed sources, and nothing here is medical advice.
Related supplements
Herbal antimicrobials
Allicin (Allimed / Allimax)
3.6 (425 owner comments)
Side effectsBloating & gas
“The allicin compound is where the magic happens, but you gotta crush or chop it and let it sit for like 10 minutes before cooking to activate it properly.”
What owners report →
Herbal antimicrobials
Berberine
3.6 (569 owner comments)
Side effectsBloating & gas
“My psychiatrist/medicine manager actually recommended I try berberine, which is a plant based supplement derived from traditional chinese medicine.”
What owners report →Last updated 2026-11-03. Mentions scanned: 383 in 276 threads.