Gastrointestinal problems such as irritable bowel syndrome, Crohn's disease, stomach ulcers or food intolerances can significantly affect quality of life. One of the key elements in alleviating symptoms and improving gastrointestinal function is a proper diet. In this article, we will discuss what a healthy diet is for people with digestive problems, which ingredients are recommended and which should be avoided, and how to tailor nutrition to individual needs.