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About Me

Hello, my name is Lois Tirrell and I am a registered dietitian based in Hitchin, Hertfordshire.  Nutrition and health has always been a huge passion in my life and I have always enjoyed working with people so a career in dietetics was a perfect choice for me.


I studied Nutrition and Dietetics at London Metropolitan University and carried out clinical placements in hospitals across London including Imperial College NHS Trust and Barnet and Chase farm hospitals.  After graduating with a first class honours degree I worked with the gastroenterology team at Addenbrookes Hospital Cambridge where I gained further knowledge in a variety of nutrition related digestive conditions such as Irritable Bowel Syndrome, Crohns disease, Colitis, Coeliac disease, Constipation, Iron Deficiency Anaemia,Food Intolerance and Food Allergy.  In addition I expanded my experience of advising clients on a wide range of nutritional issues such as Weight Management, Diabetes, Nutrition Support, and Cardiovascular Disease.

A holistic approach

I am a firm believer that diet has a huge influence on overall health at all stages of life and have a particular interest in nutrition during pregnancy, post natally and during infancy.  Since having my first child in 2015 I can see first hand how important and how satisfying it is to see your child happy, healthy and full of excellent nutrition to feed their mind, body and soul.


I pride myself in taking a holistic and compassionate approach with clients, providing realistic, individualised dietary advice to optimise their wellbeing through nutrition.

I currently practice as a private registered dietitian providing a range of services to a diverse client base.  I conduct 1:1 dietetic and nutrition consultations which give me the opportunity to work with clients with a range of nutritional related conditions.  I get great satisfaction in seeing the people I treat manage their symptoms and improve their health based on the nutritional advice I provide.  My role also allows me to present information, run education sessions, and hold workshops in a variety of environments.  I’m currently part of team for a private course on the prevention and management of Type 2 diabetes titled ‘Thrive’.  We have run four 12-week courses and have had amazing success so far. The achievements of the participants have been astounding.  To learn more about this course please visit our website Thrive.  I have also had the experience of working as a freelance consultant dietitian for research projects which has been both interesting and highly rewarding.

I am registered with the Health & Care Professions Council and I am a full member of the British Dietetic Association.

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