YOU CAN STILL ENROL ON OUR COURSES AND JOIN THE SEPTEMBER COHORT • OUR NEXT IN PERSON OPEN EVENT TAKES PLACE 11 OCTOBER 2025 • NO MORE CAKE. PASS ME THE COCONUT KEFIR! TV PRESENTER JULIA BRADBURY REVEALS ALL IN THE OPTIMUM NUTRITION PODCAST •

YOU CAN STILL ENROL ON OUR COURSES AND JOIN THE SEPTEMBER COHORT • OUR NEXT IN PERSON OPEN EVENT TAKES PLACE 11 OCTOBER 2025 • NO MORE CAKE. PASS ME THE COCONUT KEFIR! TV PRESENTER JULIA BRADBURY REVEALS ALL IN THE OPTIMUM NUTRITION PODCAST •

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Start your career

→BSc (Hons) Nutritional Therapy →Cert HE Personalised Diet and Health→Science Access

Expand your career

→Graduate Diploma Integrative Functional Nutrition→BSc (Hons) Nutritional Therapy Top-up→Return to Practice

Build your course

→Level 4 Short courses→Level 5 Short courses→Level 6 Short courses

Personal development

→Diet and Health

CPD

→Live CPD courses→On-demand CPD courses

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You can still join September cohort
New podcast season is live!
Science Access enrolment open
In-person October open event
Speak to us today
01

You can still join September cohort

02

New podcast season is live!

03

Science Access enrolment open

04

In-person October open event

05

Speak to us today

Late enrolment now open for our BSc and Cert HE Sep intake

TV presenter Julia Bradbury on her wellness reinvention

Do you need a Level 3 qualification in a relevant science subject?

Join us for our in-person open event on 11th October

Get all your questions answered. Book a call now

Don’t miss out – book a call with a Course Advisor today. Explore your study options and take the first step towards a career transforming health and welling through personalised nutrition.

“I was told it was like being chased by a tiger all day”. TV presenter Julia Bradbury reflects on her former high-stress, sugar-fuelled lifestyle, and a breast cancer diagnosis at 50. Hear her powerful story on episode one of series 4 of the Optimum Nutrition podcast.

Sign up now and gain a solid foundation in the core sciences and an understanding of how they relate to nutrition, then progress onto our BSc (Hons) NT or Cert HE Personalised Diet & Health.

Join us online to explore our courses and meet the team. Find out how a career in nutritional therapy can change lives — including yours.

Book a free one-to-one call with our Admissions Team. We’ll help you explore your next steps and support you in starting your journey into nutritional therapy.

Don’t miss out – book a call with a Course Advisor today. Explore your study options and take the first step towards a career transforming health and welling through personalised nutrition.

“I was told it was like being chased by a tiger all day”. TV presenter Julia Bradbury reflects on her former high-stress, sugar-fuelled lifestyle, and a breast cancer diagnosis at 50. Hear her powerful story on episode one of series 4 of the Optimum Nutrition podcast.

Sign up now and gain a solid foundation in the core sciences and an understanding of how they relate to nutrition, then progress onto our BSc (Hons) NT or Cert HE Personalised Diet & Health.

Join us online to explore our courses and meet the team. Find out how a career in nutritional therapy can change lives — including yours.

Book a free one-to-one call with our Admissions Team. We’ll help you explore your next steps and support you in starting your journey into nutritional therapy.

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Courses.
Find your path today
Ready to shape your career in nutrition? ION offers flexible online nutrition course for everyone, whether you’re curious about nutrition or ready to launch a career in nutrition. Validated by the University of Portsmouth, our courses include short courses to degrees in personalised nutrition to fit around your life. Rollover a card below to watch a quick overview of the course:

Start your career

BSc (Hons)
Nutritional Therapy

Become a Nutritional Therapist with a deep understanding of nutrition and lifestyle science, plus practical skills to support lasting change. 

Enrolling Now for September

Further enrolment intake in February

Diet and lifestyle educator 

Cert HE Personalised
Diet and Health

Explore how real food supports health and prepare to lead groups or work one-on-one to inspire lasting change. 

Enrolling Now for September

Further enrolment intake in February

Integrate nutrition into practice 

Graduate Diploma
Integrative Functional Nutrition

Case-based course for healthcare and CAM professionals integrating personalised nutrition into clinical or non-clinical practice. 

Enrolling Now for February

Further enrolment intake in September

Raise your profile 

BSc (Hons)
Nutritional Therapy top-up

A fast-track pathway to a degree in nutritional therapy using recognised prior learning. Exclusive to nutritional therapy practitioners. 

Enrolling Now for September

Further enrolment intake in February

Prepare for degree level

Science
Access

Gain a solid foundation in the core sciences and an understanding of how they relate to nutrition.   

Enrolling Now for September

Further enrolment intake in October

Get back on track 

Return to
Practice

A range of options validated by the University of Portsmouth for qualified nutritional therapists who have been out of practice. 

Enrolling Now for September

Further enrolment intake in February

CPD events.
Enhance your knowledge
Level up with our engaging CPD courses. Designed for nutritional therapy practitioners, healthcare professionals, nutritionists, dietitians, naturopaths and qualified healthcare professionals, our popular sessions offer advanced insights into nutrition and lifestyle medicine. Led by experts, with interactive case studies and practical tips.
Our next CPD event is...
Event image

CFS/ME and fibromyalgia: Theory and practice

With:
Virginia
Blake
On:
15/10/2025
Duration:
1
day
Provides:
BANT,ION,NNA

Discover the latest research in understanding the causes and pathophysiology of CFS/ME, and learn how to interpret cutting-edge pre-clinical research to better support your clients.

Other CPD courses to explore..

Mastering bone health: An integrative framework for osteoporosis prevention and management

Live Event

Mastering bone health: An integrative framework for osteoporosis prevention and management

This course aims to help practitioners to gain confidence in recognizing early signs of bone loss. Explore osteoporosis beyond calcium, addressing regular and advanced testing. Investigate diet trends, exercise, as well as the emotional drivers of bone loss. Designed for clinical practice, it will allow you translate complexity into impact.

With:

Maria
Rigopoulou

On:

12/11/2025

CPD:

BANT,ION,NNA

Enzyme therapeutics<br>in clinical practice

VOD Event

Enzyme therapeutics
in clinical practice

Choose and utilising enzymes effectively while adeptly navigating the diverse landscape of enzyme products.

With:

Leyla
El Moudden

Spans:

5
Hours

CPD:

BANT,NNA

Supporting<br>adolescent mental health

VOD Event

Supporting
adolescent mental health

Case studies explore stressors and their impacts on resilience and mental health -adolescent diet.

With:

Belinda
Blake

Spans:

5
Hours

CPD:

BANT,NNA

Nourishing<br>the neurodivergent brain

VOD Event

Nourishing
the neurodivergent brain

Neurodivergent clients often bring with them complexity over and above most other conditions in terms of their test results.

With:

Lucinda
Miller

Spans:

5
Hours

CPD:

BANT,NNA

News Scoop.
Nutrition trends and insights
Stay in the loop with the juiciest nutrition insights, news and updates from ION. Explore our inspiring range of free videos, podcasts, and articles for a feast of knowledge.
ION updateREAD MORE

Nutrition courses for you, your life and your career

ION updateREAD MORE

October Open Event (In-person) - 11 October 2025

InterviewREAD MORE

Listen up: TV presenter Julia Bradbury on health hacks and happiness.

RecipeREAD MORE

Salmon Tikka

ION updateREAD MORE

Our alumni cookbook is now on Amazon

The ION shop.
We sell more than courses! Browse our selection for a treat
Step into the ION Shop — a place to discover inspiring resources and thoughtful finds that bring the joy of nutrition into everyday life.
The five principles of optimum Nutrition

Media and courses

The five principles of optimum Nutrition

Five part home study taster course designed to introduce you to nutritional therapy education.

The Colourful Kitchen Collection

Books and magazine

The Colourful Kitchen Collection

A selection of over 80 recipes for optimum health and wellbeing.

1984 Anniversary t-shirt

Clothing

1984 Anniversary t-shirt

A limited edition t-shirt with screen-printed logo on front and 1984 on rear

Large umbrella

Homeware

Large umbrella

Your all-weather ticket to event-day elegance.

Autumn 2022 - Optimum Nutrition magazine

Books and magazine

Autumn 2022 - Optimum Nutrition magazine

The penultimate issue of our 35 year strong quarterly magazine

Winter 2022 - Optimum Nutrition magazine

Books and magazine

Winter 2022 - Optimum Nutrition magazine

The final issue of our 35 year strong quarterly magazine