Patient story

Thinking low stomach acid might be my missing piece after struggling with methane SIBO

@heythereBronzeContributorShared October 2026

Current status

Still struggling
  1. Still struggling
  2. Somewhat resolved
  3. Mostly resolved
  4. Fully resolved
In their words

The story

I often have undigested food in stool, sometimes clay colored and floating, but other times it sinks and is darker. Sometimes stool is one solid chunk, other times it is several small thin, lighter pieces. I sometimes have rumbling in my intestines/stomach all night. Bloating is not as bad as it has been in the past, but still sometimes occurs. I took xafaxin 6 months ago for methane sibo, but not really sure if it helped. The bloating has at least seemed less. I've thought low stomach acid might be my cause. I've considered trying magnesium supplements. Not sure how to address to acid though.

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What they were dealing with

Symptoms

moderateBowel movement changesmoderatemild
Every treatment, and what happened

Treatments

Each treatment this contributor tried, in the order that mattered, with their own reported result. The ones marked with a trophy are the treatments they credit as decisive.

Made worseNo changePartially helpedHelped
Helped a bit

Taken 6 months ago for methane sibo

Magnesium
No change

Considering trying magnesium supplements

Discussion

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Important

This is one person's reported experience aggregated by GutPattern, not clinical advice, a treatment protocol, or a diagnosis. What helped one contributor can do nothing — or harm — for someone with a different underlying cause. Sudden, severe, bloody, feverish, or worsening symptoms belong with medical care. Always discuss care decisions with a qualified clinician.