Several studies demonstrate the benefits of mindfulness meditation for patients with symptoms of irritable bowel syndrome. Some of the results of these studies are very impressive, and others are less impressive, so avoiding FODMAPs may be even more helpful.
References:
Association of participation in a mindfulness programme with bowel symptoms, gastrointestinal symptom-specific anxiety and quality of life. (Link)
Exposure and mindfulness based therapy for irritable bowel syndrome–an open pilot study. (Link)
Internet-delivered exposure and mindfulness based therapy for irritable bowel syndrome–a randomized controlled trial. (Link)
Long-term follow-up of internet-delivered exposure and mindfulness based treatment for irritable bowel syndrome. (Link)
Mindfulness training reduces the severity of irritable bowel syndrome in women: results of a randomized controlled trial. (Link)
Mindfulness-Based Stress Reduction for the Treatment of Irritable Bowel Syndrome Symptoms: A Randomized Wait-list Controlled Trial. (Link)
Therapeutic mechanisms of a mindfulness-based treatment for IBS: effects on visceral sensitivity, catastrophizing, and affective processing of pain sensations. (Link)