Why SIBO Keeps Coming Back

Why SIBO Keeps Coming Back

Why SIBO Keeps Coming Back: The Missing Link Might Be the Nervous System

You’ve done the diet. Taken the herbs. Maybe even a few rounds of antibiotics. And still — the bloating returns. Why?

One reason SIBO often recurs is dysfunction in the body’s natural gut-cleansing mechanism: the migrating motor complex (MMC).

What Is the MMC?

It’s a wave-like contraction that sweeps bacteria and food remnants from the small intestine between meals — like your gut’s cleaning crew. It only works when you’re fasting (usually every 90–120 minutes).

If the MMC isn’t working properly, bacteria can stagnate and multiply.

What Disrupts It?

  • Chronic stress

  • Food poisoning (which can damage nerve signals)

  • Snacking too frequently (no fasting window)

  • Underlying vagus nerve dysfunction

How to Support the Nervous System and MMC:

  • Space meals 4–5 hours apart (no snacks)

  • Ginger tea or motility agents (as advised)

  • Breathwork or vagus nerve exercises

  • Address stress and sleep

Final Thoughts

SIBO isn’t just about what you eat or what pills you take — it’s also about how your gut moves. Supporting your nervous system, motility, and stress response is key to lasting relief.

Explore more tools and support at www.gutheaven.co.uk 

Back to blog