This textbook offers a practical and focused guide to clinical nutrition support and therapy, emphasising how proper nutrition impacts patient recovery and outcomes. It covers nutritional assessment, dietary interventions and management of nutrition in common systemic diseases. New-edition chapters address immunonutrition, antioxidants, probiotics and clinical practice assessments. Written by experienced physicians and dietitians, the book blends theory and real-world applications to help healthcare professionals and students implement effective nutritional care in clinical settings.