Rhiannon Lambert is a well-known British nutritionist, author, entrepreneur, and media personality who has made a significant impact in the health and wellness industry. Recognized for her evidence-based approach to nutrition, she has become a trusted name among celebrities, professionals, and the general public alike. Through her books, clinics, and media appearances, Rhiannon Lambert has reshaped modern conversations around diet, health, and sustainable lifestyle choices.
This detailed biography explores Rhiannon Lambert’s age, height, net worth, career journey, personal life, and achievements, offering an in-depth look at her rise to prominence and influence in the nutrition world.
Who Is Rhiannon Lambert?
Rhiannon Lambert is a UK-registered nutritionist and the founder of Rhitrition, one of the most respected private nutrition clinics in the United Kingdom. She is known for promoting balanced, realistic eating habits rather than restrictive dieting trends. Her philosophy centers on long-term health, mental well-being, and evidence-based science.
Over the years, she has worked with high-profile clients, authored bestselling books, and appeared frequently in national media, establishing herself as one of the most influential nutrition experts in the UK.
Rhiannon Lambert Age
Rhiannon Lambert was born in 1991, which places her in her early 30s. Despite her relatively young age, she has already built an impressive career and business empire within the competitive health and wellness industry.
Her early success is often attributed to her strong academic background, dedication to scientific accuracy, and ability to communicate complex nutritional concepts in a relatable and practical way.
Rhiannon Lambert Height & Physical Appearance
Rhiannon Lambert stands at approximately 5 feet 6 inches (167 cm) tall. She maintains a healthy and balanced physique that reflects her nutrition philosophy focusing on strength, wellness, and sustainability rather than unrealistic body standards.
With her confident presence, natural style, and professional demeanor, she has become a recognizable figure both online and on television. Her appearance emphasizes her belief that health comes in many shapes and sizes.
Rhiannon Lambert Net Worth
As of recent estimates, Rhiannon Lambert net worth is believed to range between £1 million and £2 million. Her wealth comes from multiple income streams, including:
- Private nutrition clinics
- Book sales
- Brand collaborations
- Media appearances
- Speaking engagements
- Online programs and consultations
Her business success is a testament to her entrepreneurial mindset and her ability to combine science-based nutrition with effective branding and outreach.
Early Life & Education
Rhiannon Lambert was raised in the United Kingdom, where she developed an early interest in food, health, and human behavior. Unlike many who enter the wellness space through trends, her journey was academically driven.
She pursued higher education in nutrition and health sciences, earning qualifications that allowed her to become a registered nutritionist. Her academic training laid the foundation for her evidence-based approach, setting her apart from unregulated influencers in the wellness industry.
Her studies also deepened her understanding of eating disorders, mental health, and the psychological relationship people have with food themes that would later become central to her work.
Career Journey
- Early Career Beginnings
Rhiannon Lambert began her career working in clinical and public health nutrition. Early on, she noticed a growing disconnect between scientific research and the diet advice commonly shared with the public. This realization motivated her to create a platform that focused on fact-based nutrition without fear-mongering or extremes.
- Founding Rhitrition
In 2013, Rhiannon founded Rhitrition, a private nutrition clinic based in London. What started as a small practice quickly grew into one of the UK’s most respected nutrition consultancies.
Rhitrition offers personalized nutrition plans, corporate wellness programs, and specialist support for conditions such as:
- Digestive health issues
- Hormonal imbalances
- Disordered eating
- Sports nutrition
- Long-term lifestyle management
The clinic employs a team of qualified professionals, reinforcing Lambert’s commitment to science, ethics, and professionalism.
Media Presence & Public Recognition
Rhiannon Lambert’s expertise has made her a regular contributor to television, radio, podcasts, and print media. She is often invited to comment on topics such as:
- Diet culture myths
- Weight loss misconceptions
- Gut health
- Mental health and nutrition
- Sustainable eating
Her ability to explain complex research in an accessible way has earned her a loyal following and strong credibility.
Books & Publications
Rhiannon Lambert is also a bestselling author, with books that have received widespread praise for their balanced and compassionate approach to food.
Notable Books
- Re-Nourish
A practical guide to improving health through nutrition, focusing on gut health, mental well-being, and long-term habits. - The Science of Nutrition
A comprehensive book that breaks down nutritional science, debunks myths, and empowers readers to make informed food choices.
Her books are popular among both beginners and health professionals, further cementing her role as an authority in the field.

Nutrition Philosophy
One of the key reasons for Rhiannon Lambert’s success is her clear and consistent philosophy:
- No restrictive fad diets
- No demonizing food groups
- No quick-fix solutions
- Focus on sustainability and mental health
She strongly advocates for intuitive eating, balanced nutrition, and respecting individual needs. Her work challenges diet culture while promoting accountability and scientific literacy.
Personal Life
Rhiannon Lambert tends to keep her personal life relatively private. While she occasionally shares insights into her daily routines, wellness practices, and work-life balance, she avoids excessive public exposure of her relationships.
This boundary allows her to maintain professionalism while focusing on her mission of improving public understanding of nutrition and health.
Social Media Influence
Rhiannon Lambert has a strong presence on social media platforms, where she shares:
- Nutrition education
- Evidence-based health advice
- Industry insights
- Myth-busting content
- Behind-the-scenes glimpses of her work
Her online presence is respected for prioritizing accuracy over trends, making her a trusted voice in an often-crowded wellness space.
Awards & Achievements
Throughout her career, Rhiannon Lambert has received recognition for her contributions to health and nutrition, including:
- Industry awards for innovation
- Bestseller rankings for her books
- Recognition as a leading nutrition expert in the UK
Her achievements highlight her influence not just as a practitioner, but also as an educator and thought leader.
Challenges & Advocacy
Rhiannon Lambert is also known for speaking openly about the challenges within the wellness industry, particularly around misinformation and disordered eating. She actively campaigns for:
- Better regulation in nutrition advice
- Awareness of eating disorders
- Ethical practices in wellness marketing
Her advocacy work has helped shift conversations toward responsibility and evidence-based care.
Future Plans
Looking ahead, Rhiannon Lambert continues to expand her impact through:
- New publications
- Educational initiatives
- Broader public health advocacy
- Expansion of Rhitrition services
Her long-term vision focuses on empowering individuals with knowledge rather than dependence on restrictive systems.
Conclusion
Rhiannon Lambert is far more than a nutritionist she is an educator, entrepreneur, author, and advocate for healthier relationships with food. From founding one of the UK’s leading nutrition clinics to authoring bestselling books, her career reflects dedication, integrity, and scientific rigor.
With her balanced philosophy, growing influence, and continued commitment to public health, Rhiannon Lambert remains one of the most respected figures in modern nutrition. Her journey serves as an inspiring example of how evidence-based expertise can create lasting change in an industry often driven by trends.

