Gillian Killiner

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Verified Professional

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BSc (Hons) Pg.Dip MSc RD
Available for new clients
Available for new clients

This professional is available for new clients.

Holywood, Down, BT18 9QY
Available for new clients
Available for new clients

This professional is available for new clients.

About me

121 Dietitian is owned and managed by Northern Ireland's leading and highly skilled Dietitian Gillian Killiner BSc. (Hons) MSc. RD. mBDA. HCPC.
Gillian has over 25 years of extensive hospital, private and freelance experience. The first Dietitian trained to the Charter Mark Standard in Guys and St Thomas' Hospital, Gillian brought this expertise to Northern Ireland's Hospitals. She continued her training including Paediatric's, Gastroenterology, Respiratory, Oncology and specialized as a specialist Dietitian at BCH in Haematology.

With this wealth of skills and knowledge Gillian has expectedly created programmes and has trained her team to provide tailored nutritional advice meeting the needs of all 121 Dietitian clients.
121 Dietitian's award-winning consultancy service is available throughout the UK, Ireland and worldwide and the team are available via their online portal or in clinic from 8am through to 10pm.

121 dietitian provides evidence-based medical advice for individuals, companies and organisations requiring food and nutritional information. We also cover recipe analysis and food product advice.

Using years of experience and medical/holistic skills we treat you as a whole person and not just the one or two symptoms that may be expressed on the surface. Hence the in-depth packages we provide and the successes we can happily include on our testimonials page.

Corporate Programmes: CSR, absenteeism & productivity are firmly inter- linked to diet and health. All staff receive information via practical workshops, seminars and interactive talks. We service numerous companies in Belfast and the UK. Gillian is trained by the BDA to provide the Work Ready Programme in Northern Ireland, one of a few UK Dietitian's accredited in this area.

Gillian regularly has feature articles in the media, assists Charity promotions, and is a contact for local radio and TV.

Services include: Irritable Bowel Disease - Low FODMAPS Qualified, Inflammatory Bowel Disease, Diverticular Disease, Coeliac Disease, Stress-related ill health, Female Health, Inflammation, PCOS, Workplace Wellness workshops, Healthy Eating, Weight management, Wegovy, Cancer- Oncology/Haematology, other gastrointestinal disorders, Type II Diabetes, Health Promotion, Maternal and Child health, nutritional analysis, Food allergies and Intolerances, Anaemia, Sports nutrition, Sports injury/recovery nutrition, Nutrigenomics qualified and all areas of media correspondence.

121 Dietitian provides services to GPs, private and NHS hospitals and also offers an 'environmentally friendly' on-line paperless service via a secure portal.

If you wish to discuss anything that is not included above please do not hesitate to email to discuss.

We are not able to take any school or non-dietetic students for work experience.

Training, qualifications & experience

BSc. (Hons) MSc. Human Nutrition and Dietetics - University of Ulster (q.1997)

Low FODMAP specialist qualification for IBS - King's College London 2010

Counterweight, Counterweight Plus and Counterweight families trained 2014  BDA.

Psychology of Obesity trained - National Centre for Eating Disorders - London 2016

Work Ready Programme trained for - Northern Ireland  2016. British Dietetic Association.

HCPC registered

British Dietetic Association Registered Member

Member organisations

Registered / Accredited

Registered / Accredited

Being registered/accredited with a professional body means an individual must have achieved a substantial level of training and experience approved by their member organisation.

Health and Care Professions Council (HCPC)

The HCPC are an independent, UK-wide health regulator. They set standards of professional training, performance and conduct for 14 professions.

They keep a register of health professionals who meet their standards, and they take action if registered health professionals fall below those standards. They were created by a piece of legislation called the Health Professions Order 2001.

Registration means that a health professional meets national standards for their professional training, performance and conduct.

Photos & videos


£50.00 - £700.00

Health Insurance/EAP

  • Aviva
  • Axa Health
  • BUPA
  • Vitality
  • WPA

Additional information

121 Dietitian is unique - we get the results you require and the cost is transparent.

We offer a complete piece of mind range of programme packages providing all you need for one price. Our fees start at £50 - We guide you from the beginning which ensures that you do not have to keep returning for "add on appointments" a common occurrence that we all fear and ends up being very costly to you.

If you are not sure a package is required for you, please visit our page to book a discovery call. A programme can then be arranged to suit you.

Our goal: we want you to have optimal health while enjoying all the foods you love - just made different!

When I work

Mon Tue Wed Thu Fri Sat Sun

Daily 9am-10pm

Further information

We would love to help you further.  It’s so easy to book your appointment today! Just visit our Book Now page on our website and click on the Practice Better booking form

Find your specific concern and arrange a date and time that suits you. This can be face-to-face in our Holywood clinic or online via the secure portal. So you can be anywhere in the world and still get expert advice you can trust!

Our Practice Better portal is a secure site in which when you join you will be able to:

Book a package to suit you
Complete the necessary pre-appointment food diary and questionnaire
Book your appointments
Follow your Dietitian’s written advice protocols
Liaise with the team via messages

You can also click on the links on our website to:

  • Gillian Killiner Practice Better Public Profile 
  • Client Portal experience preview

If you are unsure of the service you require we suggest you arrange a mini consultation to discuss your concerns with a Dietitian so you can be guided.

Gillian x

Maypole Clinic, Kingsbridge Private Hospital, 5-7 Shore Road, Holywood, Down, BT18 9QY

Type of session

In person

Types of client

Children (0-12)
Young people (13-17)
Adults (25-64)
Older Adults (65+)

Key details

DBS check

In England and Wales, the Disclosure and Barring Service (DBS, formerly known as CRB) carry out criminal records checks for individuals working with vulnerable groups, such as children. To find out more, visit , or contact this professional directly

AccessNI check

AccessNI carries out criminal records checks for individuals working in certain roles in Northern Ireland. Find out more at , or contact this professional directly.

Wheelchair user access
Wheelchair user access

Wheelchair-accessible premises should have step-free access for wheelchair users and individuals who are unable to climb stairs. If a Nutritionist's premises aren't step-free, they may offer alternative services such as telephone/web-based appointments, home visits, or meeting clients in different location, so you can choose the option that suits you best.

You can contact the Nutritionist to discuss the options available.

Under the Equality Act 2010 service providers have a duty to make reasonable adjustments to ensure that individuals with disabilities can access their service. You can read more about reasonable adjustments to help you to access services on the CAB website.

Plenty of Parking - disabled and child friendly

Online platforms

Google Meet


Gillian Killiner
Gillian Killiner