121 Dietitian

121 Dietitian Owned and managed by Gillian Killiner RD, 121 Dietitian is a UK award winning Health and Nutritional Online/Clinical consultancy service.

Specialist Gut Health Dietitian helping people fix bloating, IBS, reflux, constipation and stubborn weight gain naturally.

✔ 30+ Years Experience
✔ Thousands Helped Worldwide
✔ Gut Health Course Available Online
✔ Belfast Clinics & Online Consultations Passionately fixing people's health: from chronic illness to gut, healthy eating, disordered eating, sport, inflammation, PCOS, weight management.

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How we work: We ask you to complete and return the complementary forms - questionnaire and food and lifestyle diary in advance of attending your appointment to save valuable time and money, you can find these on our contact-us page on our website www.121dietitian.com/contact-us/

or directly via our safe and secure online portal

https://my.practicebetter.io/ #/600081aa2a9c241d748eec95/profile

You will then have a 60 min consultation to discuss your diet and health and a detailed personalised plan will be created for you after this. You will also be booked for review appointments as required. Blood test assessments, advice and reviews are included in our specialist programmes. All aspects of your diet and health are covered for life long success. Book today for you specialist dietary advice and health coaching. Warm regards Gillian and team @ 121 Dietitian

04/06/2026

A lot of people are surprised to learn how closely thyroid health and gut health can be connected.

In practice, I often see clients struggling with both at the same time, whether that’s bloating, constipation, fatigue, brain fog or ongoing digestive symptoms.

The body doesn’t work in isolation, which is why looking at the bigger picture matters when symptoms keep coming back or never fully improve.

Understanding the connection between the gut and thyroid can often be a really important step towards feeling better long term.

If you’d like to learn more about supporting your gut health in a realistic and sustainable way, my Gut Health Course is available online ✨

Feel free to send me a DM or visit my website for more information.

Address

Kingsbridge Private Hospital, 5-7 Shore Road
Holywood
BT189HX

Opening Hours

Monday 8:30am - 3pm
7pm - 10pm
Tuesday 8:30am - 3pm
7pm - 10pm
Wednesday 8:30am - 3pm
7pm - 10pm
Thursday 8:30am - 3pm
7pm - 10pm
Friday 8:30am - 3pm
7pm - 10pm
Saturday 9am - 12:45pm

Telephone

+447717392306

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