Registered Nutritional Therapist BSc (Hons) Nutritional Science, PG Dip NT Lillian Klein is a Registered Nutritional Therapist with a First-Class Honours degree in Nutritional Science and a postgraduate qualification in Nutritional Therapy. Founder of Entire Health, Lillian specialises in functional medicine, with a particular interest in breast cancer and supporting the gut microbiome. She is registered with BANT and CNHC, and is passionate about helping individuals uncover the root causes of illness through personalised nutrition and lifestyle strategies.