Rhiannon Lambert is one of the UK’s leading nutritionistswith a first-class BSc in Nutrition and Health and an MSc in Obesity Risks and Prevention. She is also a Master Practitioner in Psychological Interventions for Eating Disorders. Rhiannon has now written seven books, including The Science of Nutrition (2021), The Science of Plant-Based Nutrition (2024) and The Unprocessed Plate (2025), all of which became Sunday Times Bestsellers. In her most recent book, The Fibre Formula, she unpacks the benefits of fibre, and outlines the growing recognition of the importance of good gut health in alleviating a wide range of common complaints and health conditions.
Rhiannon is the founder of Rhitrition Clinic, her evidence-based private clinic offering support with a wide range of health topics, including fertility, gut health and sports nutrition. Recently, Rhiannon and Ella Mills launched the popular podcast The Wellness Scoop, which quickly reached number one in the charts. The podcast offers a fresh take on wellness trends, providing listeners with practical advice for achieving a healthier lifestyle.