In today’s world, where social media trends often dictate what we eat and how we view our bodies, Rhitrition stands out as a beacon of evidence-based, compassionate, and personalised nutrition care. Founded in 2016 by Rhiannon Lambert, a Registered Nutritionist and Sunday Times bestselling author, Rhitrition has become one of the UK’s most respected wellness and nutrition clinics. Located at 10 Harley Street, Marylebone, London, the clinic specialises in weight management, eating disorders, pre- and post-natal nutrition, fertility, sports nutrition, and family wellness.
Rhiannon’s vision for Rhitrition was simple yet revolutionary: to help people build a healthy relationship with food while achieving their full nutrition potential. With her academic expertise, clinical practice, and passion for mental and physical well-being, she and her team have transformed how people approach nutrition—prioritising science over fads and empathy over restriction.
The Founder: Rhiannon Lambert’s Journey
Academic Excellence and Credentials
Rhiannon Lambert is not just a public figure; she is a deeply qualified expert in her field. She holds a First-Class Bachelor’s degree (BSc) in Nutrition and Health and a Master’s degree (MSc) in Obesity, Risks and Prevention. Her commitment to understanding human behaviour and food psychology led her to qualify as a Master Practitioner in Eating Disorders and Obesity, trained at The National Centre for Eating Disorders and approved by the British Psychological Society (BPS).
She is also a Registered Nutritionist (RNutr) with the Association for Nutrition (AfN), the professional body that recognises evidence-based nutrition specialists in the UK. This registration ensures that all her practice adheres to the highest standards of scientific integrity, safety, and client care.
From Clinic Founder to Public Educator
Beyond her work at the clinic, Rhiannon Lambert has become one of the UK’s most trusted voices in nutrition. Her books, including The Science of Nutrition and Re-Nourish: A Simple Way to Eat Well, have helped thousands of readers understand how to nourish their bodies without guilt or confusion.
She is also the creator and host of the highly popular Food For Thought podcast, where she interviews scientists, doctors, and wellness experts to demystify the latest research in nutrition and health. Through this platform, she continues her mission to educate the public and dismantle myths surrounding diet culture, weight, and wellness.
Inside Rhitrition: The Clinic’s Philosophy and Approach
Evidence-Based, Personalised Nutrition
At the core of Rhitrition’s philosophy is the belief that no two bodies are the same. Every person’s relationship with food, metabolism, and lifestyle is unique—therefore, their nutritional needs should be equally individualised.
The clinic rejects restrictive diets and unsustainable fads. Instead, it focuses on scientific, compassionate, and tailored nutrition plans that empower clients to make sustainable changes. The approach combines the latest evidence in nutritional science with psychological understanding, ensuring that clients are supported both mentally and physically on their journey toward better health.
A Multidisciplinary Team of Experts
The Rhitrition clinic operates with a team of Registered Dietitians, Nutritionists, and an in-house Psychologist. This multidisciplinary model ensures that each client receives a holistic level of care—addressing not only what they eat, but also why they eat.
This structure allows Rhitrition to handle complex cases, from metabolic health and gut disorders to emotional eating and fertility nutrition. The presence of mental-health professionals highlights the clinic’s recognition that food behaviours are often deeply rooted in psychological patterns.
Rhitrition’s Areas of Specialisation
Eating Disorders and Disordered Eating
Rhitrition is renowned for its sensitive and scientifically grounded approach to eating disorder recovery. The clinic works with individuals experiencing anorexia, bulimia, binge eating disorder, orthorexia, and other disordered eating behaviours. By integrating psychological therapy with nutritional rehabilitation, the team helps clients rebuild trust with food and their bodies.
Gut Health
The clinic also provides comprehensive support for digestive health issues, such as IBS, food intolerances, and microbiome imbalance. Rhitrition’s experts use evidence-based strategies to improve digestion and gut-brain communication, focusing on nourishment rather than restriction.
Weight Management
Unlike traditional weight-loss programmes, Rhitrition takes a holistic and non-punitive approach to weight management. Clients are encouraged to develop realistic, sustainable eating habits that improve health markers and quality of life—without resorting to deprivation or fad diets.
Sports Nutrition
Rhitrition also works with athletes and fitness enthusiasts who want to enhance performance through tailored nutrition. From macronutrient optimisation to hydration strategies, their specialists help individuals meet energy demands, improve recovery, and maintain long-term performance.
Fertility and Pre/Post-Natal Nutrition
For individuals and couples planning for pregnancy or navigating parenthood, Rhitrition offers expert guidance on fertility and maternal nutrition. Their specialists ensure that nutritional needs are met before, during, and after pregnancy, supporting both mother and child’s well-being.
Family Nutrition and Intuitive Eating
Rhitrition’s philosophy extends to families, promoting intuitive eating and balanced nourishment for all ages. The clinic helps parents create positive mealtime environments and teaches children to develop healthy attitudes toward food—laying the foundation for lifelong well-being.
The Clinic’s Environment: Science Meets Compassion
Located at 10 Harley Street in Marylebone, London, Rhitrition offers a welcoming and professional environment designed for privacy and comfort. Every consultation is carried out by qualified practitioners who listen without judgment and guide with empathy.
The team’s work is underpinned by continuous research, client education, and collaboration. This commitment to excellence has made Rhitrition one of the most reputable nutrition clinics in the UK.
Rhitrition’s Mission and Vision
The mission of Rhitrition is clear:
“Helping people build a healthy relationship with food and reach their full nutrition potential.”
This ethos reflects a deeper goal—to help individuals move away from guilt-driven eating patterns and towards nourishment, joy, and balance. By promoting nutrition as a form of self-care, Rhitrition empowers clients to take control of their health in a sustainable, science-based way.
The clinic envisions a future where people are free from diet culture and misinformation, guided instead by knowledge, compassion, and individuality.
Rhiannon Lambert’s Broader Influence
As a media personality, author, and public educator, Rhiannon Lambert has significantly influenced how nutrition is perceived in the UK and beyond. She frequently appears on national media outlets, speaks at health conferences, and collaborates with public health organisations to raise awareness about balanced nutrition.
Her social media presence continues to inspire millions, providing credible information that bridges the gap between scientific evidence and everyday life. Whether through her books, podcast, or clinic, her message remains consistent—healthy living is not about perfection, but progress.
Rhitrition’s Continued Growth
Since its foundation in 2016, Rhitrition has grown from a solo practice to a team of over ten professionals, all dedicated to providing high-quality care. The company operates within the Wellness and Fitness Services industry and maintains a reputation for professionalism, ethics, and compassion.
With an increasing focus on digital engagement and education, Rhitrition continues to expand its influence beyond Harley Street—bringing credible, evidence-based nutrition advice to audiences around the world.
Conclusion: Redefining Nutrition for the Modern Era
Rhitrition has redefined what it means to pursue wellness in a world overflowing with conflicting advice. Under the leadership of Rhiannon Lambert, the clinic embodies a perfect blend of scientific expertise, psychological understanding, and human empathy.
By focusing on individual needs rather than quick fixes, Rhitrition empowers people to cultivate healthier, happier relationships with food. Whether you are seeking help with weight management, improving gut health, or overcoming disordered eating, Rhitrition offers a trusted and compassionate path toward genuine well-being.
