Irritable bowel syndrome is now widely understood as a gut–brain axis disorder. The vagus nerve is the main two-way highway between your gut and your brain — and breathing is the most accessible way to tune it.
How breathing reaches your gut
The diaphragm physically massages abdominal organs. Slow nasal breathing also raises vagal tone, which calms visceral hypersensitivity — the over-firing of gut pain signals that defines IBS.
The 10-minute daily protocol
- Lie down with one hand on your belly, one on your chest.
- Inhale through the nose for 4 seconds — belly rises, chest stays still.
- Exhale through the nose for 6 seconds — belly falls.
- 10 minutes once daily, ideally before a meal.
What changes after 4 weeks
A 2022 trial in Neurogastroenterology & Motility found diaphragmatic breathing reduced IBS symptom severity scores by 28% after 4 weeks of daily practice. Bloating and urgency improved most.
During a flare
Lie on your left side. Long slow exhales through pursed lips for 5 minutes. This reduces cramping for most people within minutes.
Pair your sessions with a symptom log inside Breathe On to see which patterns ease your flares.