Nagaia Madini is a Dietitian and Research Technologist at the Laboratory of Dietetics and Clinical Nutrition, Department of Public Health, Experimental and Forensic Medicine, University of Pavia. She holds a Master’s degree in Technical Health Professions Sciences and contributes to multidisciplinary research on clinical nutrition, nutritional requirements, and dietary supplementation in aging populations. Her clinical and research work addresses a range of conditions including metabolic risk, obesity, undernutrition, and overnutrition in elderly patients, with a particular focus on evidence-based supplementation strategies. She is involved in developing personalized nutritional interventions that bridge laboratory findings and real-world clinical nutrition practice for healthy aging.