Our specialists stand behind the digital product that has helped hundreds of thousands of people with digestive issues: Kaitlin Colucci is a UK registered dietitian specializing in IBS and the low FODMAP diet, as well as other complex gastrointestinal disorders. Sofia Antonsson is one of Sweden’s leading experts within gut health and IBS. She is a registered dietitian who introduced the low FODMAP diet into Swedish healthcare. Dr. Atrin Sahafi is a highly skilled specialist physician in gastroenterology and internal medicine. He seamlessly integrates his expertise as a gastroenterologist and hepatologist with a thoughtful approach to alternative medicines, dietary considerations, and gut flora.