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Herbal therapy is equivalent to rifaximin for the treatment of small intestinal bacterial overgrowth (SIBO)

December 1, 2017 By Trudy Scott 9 Comments

Despite the fact that this paper was published in 2014, it’s still very relevant and I’m just behind in sharing it via a blog post: Herbal therapy is equivalent to rifaximin for the treatment of small intestinal bacterial overgrowth

Patients with small intestine bacterial overgrowth (SIBO) have chronic intestinal and extraintestinal symptomatology which adversely affects their quality of life. Present treatment of SIBO is limited to oral antibiotics with variable success. A growing number of patients are interested in using complementary and alternative therapies for their gastrointestinal health. The objective was to determine the remission rate of SIBO using either the antibiotic rifaximin or herbals in a tertiary care referral gastroenterology practice.

I’ve also decided to post this study now because I’ve been dealing with chronic SIBO for some time and am in the middle of doing the Metagenics herbal protocol (more information on that below).

SIBO symptoms and conditions

Here is a summary of some of the chronic intestinal symptoms: Abdominal bloating (gas), belching, flatulence, abdominal pain, cramps, constipation and/or diarrhea, heartburn (reflux or GERD), nausea and food sensitivities.

Here is a summary of some of the extraintestinal (outside the intestinal system) symptoms and conditions that have been linked to SIBO and/or dysbiosis: disorders of mood and behavior (including anxiety), diabetes, obesity, cardiovascular disease, rosacea, restless legs syndrome, pain, anemia, interstitial cystitis, and other pelvic conditions such as vulvodynia and proctalgia fugax (rectal spasms), chronic prostatitis and polyneuropathy.

During season 3 of The Anxiety Summit, I interviewed Dr. Allison Siebecker on Small Intestinal Bacterial Overgrowth and Anxiety. We talked about the SIBO Questionnaire I use with my clients and she gave me permission to share my modified version. You can find this SIBO questionnaire here. Please check out Dr. Siebecker’s site siboinfo.com for a wealth of information about SIBO.

The herbal treatments in this study

In this study, one hundred and four patients who tested positive for newly diagnosed SIBO by lactulose breath testing were offered either 1200mg rifaximin a day or one of two herbal treatments for 4 weeks. Lactulose breath testing was done again at the end of the treatment.

These are the two herbal treatments that were offered:  

Dysbiocide and FC Cidal (both by Biotics Research): take 2 capsules twice daily of each of these products

or

Candibactin-AR and Candibactin-BR (both by Metagenics): take 2 capsules twice daily of each of these products

The ingredients in each of the products
(from the paper: Herbal therapy is equivalent to rifaximin for the treatment of small intestinal bacterial overgrowth)

Study conclusion

The study concluded that these herbal therapies are at least as effective as rifaximin for resolution of SIBO. It also states that the herbal products also appear to be as effective as triple antibiotic therapy in patients who don’t respond to rifaximin.

Adverse effects

With regards to adverse effects, they were reported as follows: in the rifaximin treated patients there was 1 case of anaphylaxis, 2 cases of hives, 2 cases of diarrhea and 1 case of Clostridium difficile; in the herbal group only one case of diarrhea was reported.

A comment about bioindividuality

You’ll notice that the only herb that is in both sets of herbal protocols is Red Thyme Oil or thymus vulgaris and yet both herbal protocols offer a solution. I’ve heard Dr. Siebecker share that of all the different approaches for SIBO (including the elemental diet), at least one approach works for everyone. So, if you’ve tried an approach and it hasn’t worked, don’t give up and move on to the next approach. This points to bioindividuality, and there being no one size fits all approach.

Dr. Siebecker lists the above combination herbal protocols together with the herbal protocol her and team use on her site, which, again, is different from the above: 1-3 of the following herbs x 4 weeks per course, at highest levels suggested on product labels.

  • Allicin from Garlic (the highest potency formula is Allimed)
  • Oregano
  • Berberine- found in Goldenseal, Oregon Grape, Barberry, Coptis, Phellodendron
  • Neem
  • Cinnamon

My protocol and experience

As I mention above, I also decided to post this study because I’ve been dealing with chronic SIBO for some time and am in the middle of doing the Metagenics herbal protocol. I’m 14 days into a 28-day protocol.

I’m actually doing 1 capsule of Candibactin-AR, 3 times a day away from food and 2 capsules of Candibactin-BR, twice a day, and about 10 minutes before food. I landed on this protocol, so I would have enough of each for a 4-week protocol.

When I started on the products I immediately observed the typical SIBO bloating and almost quit but quickly figured out it was from the microcrystalline cellulose and hypromellose in the Candibactin-BR.

It turns out that these are soluble fibers (dispersible in water) and are more easily fermented than insoluble fibers. This fermentation in the small intestine can trigger IBS/SIBO symptoms. Adding 2 capsules of a product with cellulase (an enzyme that breaks down cellulose) has helped.

Pain, gas and GABA

I also remembered that Dr. Siebecker shared on the SIBO SOS I summit about how SIBO patients can have visceral hypersensitivity where their pain can be due to the pressure of the gas that is produced and the muscles in the digestive system actually contracting against this pressure. It got me thinking about how effective GABA is for relieving muscle tension. I use GABA with my clients all the time for relief of their physical anxiety and stiff and tense muscles. And GABA helps me and many others with proctalgia fugax (rectal spasms)  which seems to be related to IBS/SIBO.

Over the last week I’ve tried sublingual GABA a few times to ease the pain and pressure and it’s been amazing. I’ve used it as soon as I notice the bloating starting AND even the next morning when I wake with the bloated ache in my belly.  I’ve been using the NFH GABA-T SAP opened on to my tongue. This product contains 300mg GABA and 150mg of theanine.  

I’m going to keep this in mind in case of a future flare up of my IBS/SIBO if I’m accidentally exposed to a food I can’t tolerate – assuming this protocol doesn’t clear it up for me. I suspect, as Dr. Siebecker reports, and based on the fact that I have chronic SIBO, that I’ll need a few more rounds anyway.

There is research supporting why this works: there are GABA receptors all over the gut and GABA is important for motility. (Stay tuned for a detailed blog post on this topic).

As well as the initial bloating and pain, I’ve also experienced some die-off symptoms like brain-fog and feeling blah, together with some sleep issues a few nights. The GABA helps with this and so does the tryptophan that I’ve also added.

If you’ve used GABA for this purpose or medications like Gabapentin or others to achieve similar results, I’d love to hear from you.

I’ll share more as I progress through the protocol. I’m also going to be speaking on SIBO SOS summit (the 3rd one) hosted by Dr. Allison Siebecker and Shivan Sarno. I will share more about my SIBO journey then, as well as all my results with this herbal protocol and any other challenges I face along the way.

Please also share if you’ve had success with any of the above herbal protocols or other approaches for your SIBO.

And feel free to post any questions below.

Additional Anxiety Resources
Click on each image to learn more

Filed Under: GABA, Gut health, SIBO Tagged With: anxiety, Candibactin-AR, Candibactin-BR, Dysbiocide, FC Cidal, GABA, herbal, IBS, rifaximin, SIBO, tryptophan

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About Trudy Scott

Food Mood Expert Trudy Scott is a certified nutritionist on a mission to educate and empower anxious individuals worldwide about natural solutions for anxiety, stress and emotional eating.

Trudy is the author of The Antianxiety Food Solution: How the Foods You Eat Can Help You Calm Your Anxious Mind, Improve Your Mood and End Cravings and host of The Anxiety Summit now in its 4th season and called a “bouquet of hope.”

Trudy is passionate about sharing the powerful food mood connection because she experienced the results first-hand, finding complete resolution of her anxiety and panic attacks.

Reader Interactions

Comments

  1. AvatarGuillaume Marais says

    December 1, 2017 at 7:02 pm

    Hi Trudy,

    Thank you for the informative reads I can hardly wait for you publications to come. Excellent info!

    Reply
  2. AvatarDr. Loren Marks says

    December 2, 2017 at 8:04 pm

    Hi Trudy,
    Dr. Gerard Mullin was the lead author of the research paper you are referencing.
    He and I worked on the listed protocol. The Dysbiocide and FcCidal are correct, however, ADP the time released emulsified oil of oregano from Biotics was part of the protocol and not mentioned here. In addition, some patients require 3 tabs bid of each.
    If a patient cannot tolerate the ADP due to concurrent stomach inflammation then Berberine HCL is the best alternative.
    While other companies and doctors have adapted their version to treat SIBO, the listed protocol is the only published referenced study.
    Hope this is helpful.
    Dr. Marks

    Reply
    • AvatarTrudy Scott says

      December 2, 2017 at 10:03 pm

      Dr. Marks
      How exciting that you worked with Dr. Mullin on these protocols and thank you for contributing to the field in this way! Thanks for the correction about Biotics A.D.P. oregano product being part of the protocol. I’m very curious why this was not mentioned in the paper? It’s good to know about the berberine alternative – would this be 500mg x 3 per day?

      It’s also good to know about 3 tablets twice a day for some (I assume this is for the Biotics products?)

      I’d love to hear your feedback on the Metagenics protocol and if you see similar results as what Dr. Siebecker reports i.e. different people respond to different protocols?

      Also, have you found sublingual GABA to help your patients who experience visceral pain as a result of their bloating and gas?

      Reply
      • AvatarDr. Loren Marks says

        December 3, 2017 at 10:28 pm

        Hi Trudy,
        My apologies, you are correct that the research paper only listed Dysbiocide and FcCidal and also the 2 Metagenics products. It has been 3 years since that research was published (https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4030608/) and I had forgotten these important details. However, Dr. Mullin and I use these additional botanicals in the treatment of SIBO in clinical practice.

        I have treated numerous patients with the aid of the additional ADP or Berberine and of note, often replace one with the other after a few weeks of treating. There is often a loss of bactericidal activity over time that can occur as the organisms adapt to certain botanicals. ( I determine this with IAT, an advanced muscle testing procedure when and if this occurs). Whether one uses Biotics or the Metagenics formulations, I would suggest these additional adjuncts in either recalcitrant cases or for those patients with more significant presentations as well as adjusting dosages higher if warranted.

        When I use the Berberine HCL, my starting dose is 2 caps bid.

        I have not tried sublingual GABA, however, I have found that enteric-coated peppermint oil works extremely well for those symptoms.

        Low ilio-cecal valve pressures have been correlated with SIBO as well. Consider having a kinesiologist evaluate and treat if necessary.

        Lastly, the MMC (Migrating Motor Complex) is a major contributor to the gut dysmotility in the small intestine associated with the condition. Prokinetics can be very helpful here.

        Hope all this helps,
        L

  3. AvatarSheli Braun says

    December 3, 2017 at 12:20 am

    I was thrilled to find this info and am now trying to find the products mentioned. I hadn’t heard of SIBO before. It certainly sounds like what I’m dealing with! I live in Israel and have relatives and friends in Canada who visit, so, knowing a source in Canada for your protocol is helpful.

    Many Thanks,
    Sheli

    Reply
    • AvatarLoren Marks says

      December 4, 2017 at 2:15 pm

      Hi Sheli,
      You need to find a doctor to diagnose you properly. Look up Hydrogen breath testing through a functional medicine doctor or call a gastroenterologist to see if they perform these tests.
      There actually is a distributor for Biotics Research in Israel. Call the US ofc to get the number.800-231-5777.
      Dr. Marks

      Reply
  4. AvatarCindy says

    December 4, 2017 at 1:07 am

    Trudy I’ve been following you for years. Thank you for sharing on your SIBO experience. I have almost every symptom and have not been very encouraged by other people’s approaches to eradicating SIBO. I am struggeling with how to find someone in my area to work with that gets this or can I order these products on my own? For the longest time I just thought I had to live like this. Even the proctal fugax you have been addressing I have had off and on for years. Now I realize why my thyroid never gets better. It won’t until I address my SIBO. I live in St Petersburg FL and if you have any contacts from all the seminars you attend I would greatly appreciate it.

    Reply
  5. AvatarTheresa says

    March 3, 2018 at 7:58 pm

    Hi Trudy
    Wondering how you got on after you finished this protocol.
    Also is there any where in Australia the products you mention could be purchased. Seems many suppliers do not ship to Australia.
    Thanks for your advice,
    Theresa

    Reply
    • AvatarTrudy Scott says

      March 7, 2018 at 1:31 am

      Theresa
      I didn’t notice anything right away (in terms of being able to eat problematic foods) but in the month following my last dose I have noticed that my bowel movements have changed. I need 1/3 of the magnesium I used to use on a daily basis. My previous SIBO test indicated high methane which is associated with constipation I am much less constipated so assume my methane has gone down and plan to redo my SIBO breath test.

      The Metagenics product line is available in Australia.

      Reply

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