Dive Deep into the 3 Types of SIBO

Sara B
Sara B

IBS Expert | 6D Energy Healer

There is no cookie cutter plan to ditching your SIBO as each type requires different protocols!

When it comes to figuring out what type of SIBO you have, it is important to get tested! Getting the sibo breathe test done is super simple. In addition, learning about the types of SIBO can help you figure out what your next steps will be.

SIBO is usually misdiagnosed as irritable bowel syndrome. However, based on your symptoms, you will probably discover which category you’re in.

If you are new to SIBO, it stands for small intestinal bacterial overgrowth. So essentially what it is an overgrowth in the small intestines, which comes in 3 forms.

types of sibo sara b wellness

Methane-Dominant SIBO

This is one of the trickier types of SIBO to heal from. The reason is not only are you removing the hydrogen-producing bacteria, but also the archaea.

Archaea is another form of bacteria that eats up Hydrogen to produce Methane gas. This is not present for those with the other two forms of SIBO. This is signified when Methane gas is elevated after drinking the solution.

This may blow your mind, but you don’t have an overgrowth of bacteria, but an overgrowth in archaea. This is a type of methanogen. But to have an overgrowth of the archaea, you need the bacteria to generate the hydrogen.

Hydrogen-Dominant SIBO

Unlike the methane-dominant SIBO, there are no archaea to worry about. You will know if you have hydrogen dominant by high levels of hydrogen after drinking the solution/at baseline.

Since there are no archaea to eat up the hydrogen gas, it will remain in the body. It often speeds up the process of digestion, which can lead to diarrhea. This is caused by food not progressing through our digestion, effectively causing it to sit. During that time is when it ferments, causing hydrogen gas.

Hydrogen Sulfide SIBO

However, if you take your test, it comes back as negative or flat line, but you still have symptoms? This is when hydrogen sulfide SIBO comes into play. This is a very new type of SIBO.

A major flag of this type of SIBO is that your test comes out negative or completely flatlined. This means neither your hydrogen nor methane was not elevated after drinking the solution.

Unfortunately, there is no test for hydrogen sulfide gas. The way is diagnosed by the flatlined breathe test and the continuation of the symptoms. This is a bit trickier to treat the lack of research on the topic.

Symptoms and Treatment

A lot of the symptoms can overlap with the types of SIBO. However, some stand out more than others. 

The same goes for all the treatment methods. However, the treatment is very individualized. We are also so unique that one method may not work for someone else due to co-infections, deficiencies, hormone imbalances, and so on.

Symptoms of SIBO

You’re going to notice a lot of similarities in symptoms. That is why it is important to get tested to know what specific overgrowth you have. The common health issues are:

  • Excessive Gas
  • Flatulence that Smells Like Rotten Eggs – Hydrogen/Hydrogen Sulfide
  • Flatulence that Smells Like A Barn – Methane
  • Bloating
  • Heartburn/GERD
  • Constipation -Methane
  • Diarrhea – Hydrogen/Hydrogen Sulfide
  • Abdominal Discomfort
  • Abdominal Cramping/Pain
  • Joint Pain
  • Fatigue
  • Sudden Food Sensitivities
  • Vitamin Deficiencies (especially B12)
  • Anemia (Iron Deficiencies)
  • Headaches
  • Acne/Eczema/Rashes
  • Weight Loss
  • Weight Gain
supplements for sibo sara b wellness


Unfortunately, with SIBO, there is some co-infection. These co-infection(s) can be the cause of your SIBO or a result of having SIBO. This is a list of common co-infections:

  • Leaky Gut 
  • Vitamin Deficiencies
  • Epstein-Barr Virus
  • Autoimmune Disease
  • Hypothyroidism (i.e., Hashimoto’s)
  • Low Stomach Acid
  • Heavy Metal Toxicity
  • Clogged Up Gallbladder (i.e., lack of bile production)
  • Liver Dysregulation (i.e., toxic overload, depleted enzymes)
  • SIFO (Small Intestinal Fungal Overgrowth)
  • Candida (Yeast Overgrowth)
  • Parasite (i.e., Hookworm, Pinworm, Giardia, C.Diff)
  • H. Pylori

I am sure there are some that I am missing (or don’t even know about). However, it is essential when getting to test to get tested for other things. A lot of doctors will do this to rule other conditions out. Some tests I recommend are blood tests for Celiac, H. Pylori, Epstein-Barr, Thyroid Antibodies, Hormone Panel, and lastly, a comprehensive stool test.


When it comes to treatment, there are a lot of supplements. These supplements, along with lifestyle and dietary changes, can ensure you don’t relapse. Below are the supplements I have used/researched:

  • Rifaximin – Hydrogen/Hydrogen Sulfide
  • Neocyin and Rifaximin – Methane
  • Biotics Dysbiocide and FC Cidal
  • Metagenics Candibactin-AR and Candibactin-BR
  • Combination of Allicin, Oregano, Neem, Cinnamon, Berberine
Post Antibiotics

Some of these supplements can be used during your antibiotics phase. This is especially true if you have co-infections that need to be healed as well. However, these are some supplements you doctor/physician/nutritionist/health coach may recommend:

  • Atrantil
  • Digestive Enzymes
  • HCL with Pepsin (for very Low Stomach Acid)
  • Iberogast (for slow MMC)
  • Ginger (for slow MMC)
  • Low Dose Naltrexone (for slow MMC and Autoimmune Disease)
  • Interface Plus (Disruptor of Biofilms)
  • GI Revive (for Leaky Gut)
  • Beta Plus and Beta-TCP (Improving Fat Absorption)
  • Colostrum (for Leaky Gut)
  • Just Thrive Probiotic (Spore-Based Probiotic)
  • Specific Vitamin and Minerals (i.e., Iron, B12, Magnesium)
  • Vital Nutrients Multi-Vitamin/Prenatal (depending on if you have your period or not)
  • Monolaurin (for EBV)
  • Liver Detox

Your practitioner/coach will help you decide which supplements are for you. Along with this period of healing is an elimination diet to stop fueling the bacteria fire. Some common ones are Low FODMAP, Specific carbohydrates Diet, GAPS, etc.

However, these are good things to have in your toolbox. 

Thank youu so much for reading!

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