Bachelor of Science (Honours) in Public Health Nutrition

4 Years On Campus Bachelors Program

Technological University Dublin

Program Overview

Public Health Nutrition at TU Dublin is all about understanding how food, diet and lifestyle affect the health of whole communities and how we can use that knowledge to prevent disease and improve quality of life. It’s a great choice for students who enjoy science and care about health, food and social impact.

Curriculum Structure

Year 1
You begin by building a strong foundation in nutrition, biology and public health through subjects such as Nutrition Science 1, Infection and Immunity, Food Studies and Introduction to Professional Practice. This year helps you understand how nutrients support the body, how illness spreads, and how food choices affect health.

Year 2
In second year, you move deeper into the science behind diet and disease. You study Nutrition Science 2, Nutritional Epidemiology, Public Health Nutrition and Microbial Diagnostics, learning how nutrition patterns influence health at a population level and how food safety and microbes play a role in public wellbeing.

Year 3
This year focuses on applying your knowledge through research and professional development. You work on a research project and prepare for professional practice while developing skills in data analysis, scientific writing and public health investigation. You also have the option to study or carry out research abroad.

Year 4
Your final year is centred on real-world experience through a long professional work placement. You work in areas such as public health, community nutrition, food policy or health promotion, applying what you’ve learned in a real organisation while building strong employability skills.

Focus areas

Public health nutrition, community health, food science, epidemiology, diet-related disease, health promotion, food policy.

Learning outcomes

A strong understanding of how diet affects health, the ability to analyse nutrition and health data, design health promotion programmes, and communicate nutrition advice clearly and professionally.

Professional alignment (accreditation)

Graduates can register as Associate Nutritionists with a recognised professional nutrition body, giving them a strong foundation for professional practice in nutrition and public health.

Reputation (employability & recognition)

TU Dublin nutrition graduates are well regarded in health agencies, food organisations and community health services for their strong scientific training and practical, real-world experience.

Experiential Learning (Research, Projects, Internships etc.)

At TU Dublin, Public Health Nutrition is designed to give you real-world experience, not just classroom knowledge. From early in the degree, you work with nutrition data, food science laboratories and public health tools, and as you progress you gain hands-on experience through research projects and professional placements. By the time you graduate, you’ll have worked in settings that reflect how nutritionists and public health professionals actually operate.

That practical learning includes:

Nutrition and food science laboratories
You carry out food analysis, microbiology testing and nutrition experiments, learning how food quality, safety and nutrient content are measured in professional labs.
Public health and epidemiology tools
Through subjects like Nutritional Epidemiology and Public Health Nutrition, you work with population-health data to understand diet trends and health risks.
Research project
In third year, you complete a research project where you investigate a real nutrition or public health issue, building skills in data collection, analysis and scientific writing.
Long professional placement
In your final year, you complete a 36–52 week work placement in areas such as public health organisations, community health services, food policy bodies or nutrition programmes — gaining full-time professional experience.
Health promotion and communication work
You learn how to design and deliver nutrition messages for the public, helping people make healthier food and lifestyle choices.
Team-based projects
Many modules involve working in groups, reflecting how nutritionists, health professionals and policymakers collaborate in real organisations.
Access to specialist learning resources
You use TU Dublin’s food, health and science libraries, digital databases and research tools to support your studies and professional development.

Progression & Future Opportunities

Graduates of the BSc (Honours) Public Health Nutrition at TU Dublin move into careers where nutrition directly improves the health of communities and populations. With your training in nutrition science, epidemiology and public health, you’ll be well prepared for roles such as Public Health Nutritionist, Health Promotion Officer, Nutrition Research Assistant or Food Policy and Community Health Specialist in health services, NGOs, government bodies and food-related organisations.

That means this degree opens doors to a wide range of meaningful and in-demand careers:

Growing demand for nutrition professionals
Governments, healthcare systems and international organisations increasingly rely on nutrition experts to address obesity, diabetes, food security and diet-related disease.
Industry-ready skills
You graduate with experience in data analysis, food and nutrition research, health communication and programme evaluation — all essential skills in modern public health roles.
Wide range of career paths
Graduates work in community health, hospitals, food policy, public health agencies, research organisations and the food industry.
Professional recognition
Your degree supports registration as a professional nutritionist, giving you credibility and long-term career progression in the nutrition and health sectors.
International career opportunities
Public health nutrition is a global field, so your qualification allows you to work or continue your studies in many countries.

Further Academic Progression

After completing this degree, you can progress into postgraduate study in areas such as Public Health, Nutrition, Dietetics, Epidemiology, Global Health or Food Policy. Many graduates also go on to Master’s and PhD programmes, leading to careers in research, senior public health roles and international health organisations.