Skip to main content
Patient care

Nutritionist

Uses the science of food and nutrients to advise people, companies and public bodies on eating for good health.

Nutritionists work in public health teams, the food industry, research groups and sport, turning evidence about diet into practical advice. It suits people who enjoy both the science of food and explaining it to others.

Also called Public health nutritionist, Clinical nutritionist, Sports nutritionist or Nutrition scientist.

At a glance

Way in
Bachelor's degree, often in nutrition, public health nutrition, food science and biochemistry
Pay in the US
$76,400 a year, the medianFor dietitians and nutritionists, 2025
Pay in the UK
£32,000 starting to £48,000 with experience
US outlook
Much faster than average, 2025-2035
Suits you if
You like food science and enjoy turning evidence into everyday advice.

Pay is a guide: it moves with the country, the employer, the sector and the years in the job. Figures from O*NET OnLine (US) and the National Careers Service (UK); see the sources below.

The work

What does a nutritionist do?

  • Study how diet affects health and disease, reading and weighing up the research evidence.
  • Work out the nutrient content of foods and meals and check the claims made on labels.
  • Design healthy eating programmes for schools, workplaces or local communities.
  • Advise food companies on recipes, reformulation and nutrition labelling.
  • Support people who want to change how they eat, working alongside dietitians and GPs.

Where they work

  • Public health teams
  • Food and drink companies
  • University research groups
  • Sports clubs and gyms
  • Charities and community projects

Skills

The skills a nutritionist needs

  • Nutrition sciencemacronutrients, vitamins, minerals and metabolism
  • Reading evidencejudging studies and telling sound findings from fads
  • Communicationturning research into clear, practical advice
  • Food analysisnutrient composition and labelling rules
  • Programme planningsetting goals and measuring whether advice works
  • Empathyhelping people change habits without judging them

Route in

How to become a nutritionist

  1. Study biology and chemistry at school, then take a nutrition degree, ideally one accredited by the Association for Nutrition.
  2. Gain experience through placements, community health volunteering or work as a research assistant.
  3. In the UK, apply to the Association for Nutrition's voluntary register: first as an Associate Nutritionist, then as a Registered Nutritionist with experience.
  4. Consider a master's in public health nutrition or sports nutrition to specialise.

Degrees people take

  • Nutrition
  • Public health nutrition
  • Food science
  • Biochemistry

In the UK, anyone can call themselves a nutritionist, while dietitian is a protected title for those registered with the HCPC.

Practise for it

The quizzes and tools that fit

Also on biofideX

Next to it

Careers to weigh against it

Sources

Where the facts come from

Written for biofideX from these public sources. The pay figures are theirs, copied as published, last read 2026-10-25.

Requirements differ by country and change over time; check with the body that registers the profession where you will work. Spotted a mistake? Tell us and we'll correct it.

Career Paths

55 careers, side by side

Each with what it asks, how people get in, what it pays and the quizzes that fit it.

Explore the careers

Cookie Notice

We use cookies

biofideX uses cookies and similar technologies to keep you signed in, remember your preferences, and (with your consent) measure how the platform is used. Change your choices any time from the Cookie Policy.