We are delighted to invite you to attend the 42nd International Symposium on Diabetes and Nutrition (DNSG 2025), Ottawa, ON, Canada, June 24-27, 2025. The symposium represents the annual meeting of the Diabetes and Nutrition Study Group (DNSG). To learn about our study group, please visit our website, https://dnsg-studygroup.eu. The symposium will bring together international scientists (from academia, government, and industry), physicians, dietitians, other allied health professionals, and trainees to showcase the latest advances from basic science to clinical trials in diabetes and nutrition through plenary lectures, panel discussions, and oral and poster abstract presentations.