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What does a dietitian do? (and how can they help you?)


If you’re wondering ‘What does a dietitian do?’ The answer is: More than you probably think! 

Put simply, a qualified dietitian is an expert in food and nutrition. This means they can help you to understand the science behind nutrition and explain the effect that food intake has on the body.

A registered dietitian is able to advise people on dietary choices, using science to underpin these recommendations. They can help us to make sense of the impact food and nutrition have – both good and bad.  

And that’s not the only thing – because of their expertise, they can assist with weight loss, medical conditions, stress and sleep imbalance, chances of pregnancy and overall performance, among many more valuable benefits.   

BOOK YOUR FREE CONSULTATION with The DNA Dietitian to find out more

For more information call 020 7126 7101 or fill out the contact form using the link above.  


How can a dietitian help me?

Dietitians like Rachel Clarkson – the board-certified nutrigenomic specialist behind the DNA Dietitian, work with healthy as well as poorly patients to maintain, improve or manage health conditions and symptoms.

There is no universal solution to dieting and nutrition since everybody’s genetic make-up is unique to them. With a specialist dietitian, you have access to personalised dietary and nutritional advice that is rooted in science and research, and tailored to your individual circumstances. 

The DNA Dietitian can assess your medical history and align nutrition to your unique DNA. The way you fuel your body could be impacting health conditions and causing symptoms, or preventing you from reaching your health targets such as weight-loss goals.

You can get help with:

  • Achieving goals and benefiting your health such as weight loss or weight gain, with permanent results
  • Improving energy levels, sleep disorders, mood management, memory function, gut health, immune system and concentration
  • Reducing your risk of disease
  • Eating correctly for your body to help reduce bloating and fatigue
  • Optimising your performance in both personal and professional settings
  • Improving chances of pregnancy
  • Supporting your body in dealing with medical conditions such as diabetes, high blood pressure, high cholesterol and cardiovascular disease
  • Reducing symptoms like bloating, acid reflux, constipation and diarrhoea

Many websites and clinicians can offer health advice, but only a qualified dietitian can create a personalised diet plan tailored to your nutritional biochemistry, genetics and physiology. 

Read more about the medical conditions that Rachel is able to help with.


Do dietitians have to be qualified?

Yes! The work of a dietitian is very important and is highly regulated so that patients know they are in safe hands. Most dietitians will hold a degree or postgraduate qualification in dietetics or nutrition that is accredited by the British Dietetic Association.

Registered specialists like The DNA Dietitian have undergone rigorous training and extensive education in nutritional science, so that they can assess, diagnose and treat medical and dietary conditions.

Since a lot of dietitians have specialised qualifications in specific medical and dietary conditions, they have clinical and professional skills that help them treat everyday and complex health conditions.


What’s the difference between a dietitian and a nutritionist?

While both nutritionists and dietitians work in similar fields, the qualifications are different. A nutritionist is qualified to treat healthy individuals, prevent disease and optimise health. A dietitian is qualified to help healthy patients, but is also specially trained to treat and manage medical conditions and diseases. 

So a dietitian may work intensely in clinical settings with people who have medical disease. In these cases, they will work closely with a team of medical consultants and doctors to treat the patient effectively. 

Interestingly – and perhaps worryingly – anyone in the UK is able to use the title ‘nutritionist’ since this title is not protected by UK law. This presents a risk of seeking help from unqualified and unregistered practitioners who are not able to give sound, evidential-based advice. 

Always seek the help of a registered professional. 


About The DNA Dietitian

Rachel is an expertly qualified dietitian with years of clinical experience operating out of Harley Street in London.  

The DNA Dietitian has been featured in the BBC, the Guardian, Women’s Health, Tatler, Cosmopolitan and Grazia among other popular media outlets. 

Rachel’s extensive work and research in science is what underpins her expertise as a leading DNA Dietitian.  

For more information about what a dietitian does, please contact the clinic for a complimentary consultation. 


The Clinic

The DNA Dietitian,
10 Harley Street

020 7126 7101


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