What Nutritionists Do
Registered Nutritionists provide evidence-based information and guidance in one or more of the following five areas, each supported by competencies to ensure the individual is qualified and competent in the chosen specialism(s).

Animal Nutrition
An Animal Nutritionist is a scientist who applies his or her basic knowledge of the anatomy, physiology, metabolism and nutrition of vertebrates to a species or genus, understands the specific characteristics of the nominated species and applies this knowledge to their welfare, dietary needs and nutritional disorders, advising others about the subject or constructing experiments to increase understanding of nutritional science of the species. Animal nutritionists may run their own consultancy, work in industry, education, academia or research.

Food Nutrition
Food Nutritionists will usually work in nutrition/food education/academia as a nutrition/food researcher, for the food manufacturing industry (producing anything from baby foods to food supplements), the foodservice industry (from wholesalers to catering companies), food retailers (major supermarkets or pharmacy chains), public relations companies or trade/ industry organisations. Food nutritionists usually look at the science, ingredients, policy, legislation and regulations involved in the consumption or marketing of a food item. Their roles will vary between nutrition training or education, customer service, health promotion and assessing, setting, implementing and communicating nutritional standards and information for foods in commercial and food service settings, marketing, product development, regulatory support and research/science. Their role may also include community development/health improvement as well as commissioning of services.

Nutrition Science
A Nutrition Scientist investigates the metabolic and physiological responses of the body to foods and nutrients. The nutrition scientist may use expertise from the fields of molecular biology, biochemistry, physiology and genetics or other underpinning scientific knowledge. They aim to understand the factors that determine requirements for energy and specific nutrients, the sequence of steps through which ingested substances are digested and change from one form to another in the body, how food related chemicals can cause or prevent disease or may affect risk factors. Their work may contribute to understanding of pathological or healthy processes in humans and other animals. Nutrition Scientists will typically work in a research role in academia/food industry/research institutes etc.

Public Health Nutrition
Public Health Nutritionists develop, implement and evaluate nutrition policies and programmes, generating the evidence base and applying scientific knowledge to ensure understanding of the impact of food and diet on health and well being of people and communities, and improving the diet, nutrition and health of people and communities. Roles can include health improvement, addressing inequalities in nutrition and health, nutrition advocacy, developing/commissioning and implementing policies and programmes, monitoring, evaluation and assessment of diet in groups/communities, education and generating research evidence linking food/nutrients and health.

Sports & Exercise Nutrition
Sports and Exercise Nutritionists develop, implement and evaluate nutritional strategies to optimise performance in sport and exercise. They determine the energy, fluid and nutrient demands of sport and exercise and provide tailored dietary advice to individuals and groups, ranging from recreational athletes, enthusiastic amateurs to elite professional athletes. They may also work for and in the sports nutrition industry eg producing products for athletes of all ability levels, or may work in education, be academics or researchers.

In general, nutritionists provide evidence-based information and guidance about the impacts of food and nutrition on the health and wellbeing of humans (at an individual or population level) or animals. It is important that nutritionists have a good understanding of the scientific basis of nutrition.

Our careers guide, In the Know (PDF), and our careers profiles page contain more information on the type of work nutritionists do.



What is the difference between a nutritionist/nutritional therapist/dietitian?
There are quite significant differences between these similar sounding occupations.

Nutritionists and nutritional therapists are different roles with different sets of professional standards expected of those who practice in each field. There are fundamental differences between the work, and the registration requirements, of nutritionists and nutritional therapists.

The Association for Nutrition is committed to the promotion of strong evidence-based nutrition and every one of our registrants must meet science based competencies in nutrition and agree to abide by our rigorous Code of Ethics. (Read more about the UK Voluntary Register of Nutritionists.)

If you look through the general information on the British Association for Applied Nutrition & Nutritional Therapy (BANT) website you will see that there are many areas where the work of a nutritional therapist contrasts with our Code of Ethics and which our Registered Nutritionists may not work in.

Registered Nutritionists can work with acutely-ill patients only under the close supervision of a Dietitian or other regulated health professional. If you want to work with patients unsupervised and/or specialise in the therapeutic diets required in a hospital environment you must train as a Dietitian and will need a qualification in Dietetics, which can be studied as an undergraduate or post-graduate qualification.

For more information on the role of a dietitian, the British Dietetic Association is a good source of information.
 
     
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