SIBO, IBS, H2S, IMO—What These Labels Actually Mean (and Why You Still Feel Off)

You’ve been given a label.

SIBO.
IBS.
Maybe someone mentioned H2S.
Now methane SIBO is called IMO.

And yet - nothing feels resolved.

You’re still dealing with:

bloating that shows up out of nowhere
gas you can’t control
bowels that don’t follow a pattern

So let’s clean this up.

Because your gut isn’t complicated.
It’s just been explained to you in fragments.

What These Terms Actually Mean

No fluff. Just clarity.

  • SIBO (Small Intestinal Bacterial Overgrowth):
    Bacteria accumulating in the small intestine → leads to gas, pressure, irregular digestion

  • IBS (Irritable Bowel Syndrome):
    A catch-all diagnosis → describes symptoms, not the cause

  • H2S (Hydrogen Sulfide SIBO):
    Associated with sulfur gas → often shows up as that distinct “rotten egg” smell and burning discomfort

  • IMO (Intestinal Methanogen Overgrowth):
    Slows intestinal movement → linked to constipation, fullness, and stubborn distention

Different names.
Different presentations.

Same reality:

👉 Something in your system is not coordinating well.

Where Most People Get Stuck

You’re handed a plan that looks like this:

remove foods
add supplements
follow the steps

And sometimes you feel better.

Then it shifts.

The bloating returns. Your bowels change again. New symptoms show up.

Not because you did anything wrong- but because the approach was incomplete.

What’s Actually Driving This

Your gut doesn’t function on its own.

It responds to signals from:

  • the nervous system → whether your body is in a state that allows digestion

  • the immune system → how your body reacts to microbes and food compounds

  • motility → how effectively things move through your digestive tract

If those aren’t working together?

You can rotate diets and supplements endlessly and still feel stuck.

What Changes When You Understand Your Pattern

This is where my app comes in. Not another list of rules.

A way to see what your body is doing - clearly.

Inside, you’ll learn:

  • how to recognize your specific pattern (SIBO, IMO, H2S) based on symptoms - not guessing

  • when antimicrobials are appropriate—and when they make things worse

  • how to use food strategically instead of constantly restricting

  • how nervous system tone affects digestion throughout your day

  • how immune responses contribute to ongoing symptoms

  • how to prepare for labs so the results are actually useful

  • how to speak to your doctor in a way that gets taken seriously

This is where things stop feeling random.

Your Takeaway

You don’t need more advice. You need a structure that makes sense of what you’re experiencing.

Once that clicks - your gut stops dictating your day.


Download the app and start your Pro Membership today.

#SIBO
#IBS
#GutHealth
#DigestiveHealth
#BloatingRelief

#SIBOapp

Jen Yundt Coles