This session will explore the role of nutritionists in personalised obesity care, highlighting how tailored dietary strategies can be developed based on metabolic profiles. It will cover the importance of medical nutrition therapy in obesity management, integrating nutrition counselling into multidisciplinary treatment teams, and the latest evidence on effective diets such as low-carb, intermittent fasting, and Mediterranean diets for improving metabolic health. The session will also address challenges related to patient adherence and strategies for encouraging behavioural change.