Understanding the intricate relationship between diet, lifestyle and gastrointestinal health is paramount for medical professionals, especially when addressing conditions like irritable bowel syndrome (IBS) that significantly impact women’s health.

With its complex symptomatology and multifactorial aetiology, managing IBS requires a comprehensive approach, with diet playing a pivotal role in symptom management and improving quality of life.
IBS affects millions of people worldwide, with women bearing a disproportionate burden of the condition. Various factors contribute to the pathophysiology of IBS, including alterations in gut motility, visceral hypersensitivity, immune activation and disturbances in the gut microbiota composition. These factors, along with hormonal fluctuations and psychological stressors, create a complex interplay that exacerbates gastrointestinal symptoms in women with IBS.
Dietary Strategies
While triggers may vary among individuals, certain dietary patterns have been identified as common culprits in exacerbating symptoms. These include high-FODMAP (Fermentable Oligosaccharides, Disaccharides, Monosaccharides, and Polyols) foods, ultra-processed foods, caffeine, and spicy foods.
The low-FODMAP diet targets fermentable carbohydrates that are poorly absorbed in the small intestine, leading to osmotic effects and increased gas production in the colon. By reducing intake of high-FODMAP foods, individuals with IBS can alleviate symptoms such as bloating, abdominal pain, and altered bowel habits. It’s important to note that the low-FODMAP diet is not a long-term solution but rather a short-term intervention to identify trigger foods and then gradually reintroduce them to establish individual tolerance levels.
High-FODMAP foods ferment in the gut, leading to the production of gas and short-chain fatty acids, which can cause bloating, distention, and discomfort in individuals with IBS. By reducing FODMAP intake, the low-FODMAP diet aims to alleviate these symptoms by minimising fermentation and osmotic effects in the gastrointestinal tract. Additionally, reducing FODMAP intake can help rebalance the gut microbiota composition, promoting gut health and overall well-being.
Diet therapies for IBS
Low-FODMAP Diet: This dietary approach involves restricting foods high in fermentable carbohydrates, which can contribute to gastrointestinal symptoms in susceptible individuals. Studies have demonstrated the efficacy of the low-FODMAP diet in reducing IBS symptoms. However, it’s crucial to emphasise the importance of working with a gastroenterology dietitian to ensure the diet is appropriate for implementation, individual tolerance is established and long-term nutritional adequacy is achieved.
Mindful Eating and Stress Management: Incorporating mindfulness techniques and stress management strategies into dietary counselling can be beneficial for individuals with IBS. Mindful eating practices promote awareness of hunger and satiety cues, fostering a healthier relationship with food and reducing the likelihood of symptom triggers. Additionally, stress reduction techniques such as relaxation exercises, yoga, gut-directed hypnotherapy and cognitive-behavioural therapy can help mitigate the impact of psychological factors on gastrointestinal function.
Individualised Nutrition Advice: Recognising the heterogeneity of IBS presentations, individualised nutrition advise tailored to individual needs and symptoms are paramount. This approach involves identifying specific trigger foods through comprehensive dietary assessments and symptom monitoring. By empowering patients to make informed dietary choices and providing ongoing support, dietitians can optimise symptom management.
In conclusion, addressing the impact of diet on irritable bowel syndrome is integral to promoting women’s health and enhancing the quality of life for individuals living with this chronic condition. By adopting evidence-based dietary interventions and embracing a multidisciplinary approach, we can empower patients to regain control over their gastrointestinal health and live fulfilling lives.
Key messages
- Diet plays a pivotal role in managing IBS symptoms, particularly in women, who bear a disproportionate burden of the condition
- Evidence-based dietary interventions (e.g. low-FODMAP diet, mindful eating, and individualised advice), offer effective strategies for symptom management and improving quality of life in individuals with IBS
- Collaboration between medical professionals and gastroenterology dietitians provides comprehensive care and optimising outcomes for patients with IBS.
Author competing interests – nil