What Does a Nutritionist Actually Do and Do You Need One?

2 June 2026

Most of us know roughly what we should be eating. The harder part is making it work in real life; around a busy schedule, a health condition, conflicting information, and the particular demands of our own bodies. That’s where a nutritionist or dietitian comes in.

 

Nutritionist vs dietitian — what’s the difference?

A dietitian is a protected title regulated by the Health and Care Professions Council (HCPC), with a clinical training background. They commonly work with specific medical conditions; IBS, diabetes, coeliac disease, cardiovascular disease and can provide clinical-grade dietary intervention.

A nutritionist works with food, lifestyle, and health in a broader sense. Many hold postgraduate qualifications and professional registration with bodies like BANT or the Association for Nutrition. The best nutritionists combine evidence-based practice with an understanding of behaviour change, helping you build sustainable habits rather than follow a short-term plan.

 

When is it worth seeing one?

If you have a diagnosed condition with a dietary component; IBS, type 2 diabetes, high cholesterol, PMOS, coeliac disease — professional support can make a significant difference to your management and quality of life. It’s also worth considering if you’re navigating hormonal changes, trying to optimise energy and performance, or simply feeling that something isn’t right despite eating reasonably well.

 

Work with a nutrition specialist through YoYu

Clara Carr — HCPC-registered Dietitian with over 20 years of NHS experience, specialising in IBS, type 2 diabetes, coeliac disease, IBD, and sports nutrition. Online consultations. https://yoyu.life/providers/clara-carr/

 

Laura Viner — BANT-registered Nutritionist and NHS Health Coach specialising in type 2 diabetes, cardiovascular health, weight management, PCOS, and menopause, with a special interest in the gut-brain-metabolic axis. London, online and in person. https://yoyu.life/providers/laura-viner/

 

Dr Francesca Testa — NHS doctor, Registered Associate Nutritionist, and personal trainer specialising in women’s health nutrition, PCOS, hormonal health, and REDs. London, online and in person. https://yoyu.life/providers/dr-francesca-testa/

 

All practitioners are verified through the YoYu platform.

Find your practitioner at yoyu.life #FindYourYoYu