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

A healthy gut isn’t about being “perfect” 👀✨It’s about:🤍 Eating without fear🤍 Having more energy throughout the day🤍 Fee...
16/06/2026

A healthy gut isn’t about being “perfect” 👀✨

It’s about:
🤍 Eating without fear
🤍 Having more energy throughout the day
🤍 Feeling less discomfort
🤍 Better focus and mood
🤍 Feeling like yourself again

So many people forget what it feels like to wake up without constantly thinking about bloating, digestion or food anxiety.

Your gut health impacts so much more than just your stomach — it can affect your energy, confidence, mood and everyday quality of life.

My Gut Health Course is designed to help you better understand your body and support your gut in a realistic, sustainable way 🤍

🔗 Link in bio for more details and enrolment.

13/06/2026

I created this course because gut issues are affecting more people than ever — and so many are struggling in silence.

Over the years, I’ve worked with clients dealing with bloating, discomfort, food anxiety, fatigue and digestive symptoms that were impacting everyday life.

Most had already tried cutting foods out, following trends online or guessing their way through it… but still didn’t feel any better.

That’s why I wanted to create something clear, practical and evidence-based.

A course that helps you actually understand your gut, recognise your triggers and learn how to support your digestion in a realistic way.

This isn’t about perfection or restriction.
It’s about feeling comfortable again.
Having more energy.
Feeling more like yourself.

I built this course for people who are tired of second guessing their symptoms and want proper guidance they can trust ✨

If that sounds like you, I’d love to help.

Enrolment is now open.
🔗 Link in bio to join.

Your gut health is shaped by the things you do every single day 👀A lot of gut symptoms don’t come from one single food o...
11/06/2026

Your gut health is shaped by the things you do every single day 👀

A lot of gut symptoms don’t come from one single food or one isolated issue. Often, it’s the small everyday habits that slowly start impacting digestion, energy, inflammation and how you feel overall.

From stress and poor sleep to ultra-processed foods and repeated antibiotic use, your gut notices more than you think.

The good news?
Small changes can make a big difference 🤍

My Gut Health Course is designed to help you better understand the habits, triggers and foundations that actually support your gut long term — without the overwhelm.

✨ Enrolment open now
🔗 Link in bio

Bloating after every meal shouldn’t feel like something you just have to live with 👀So many people are told their sympto...
09/06/2026

Bloating after every meal shouldn’t feel like something you just have to live with 👀

So many people are told their symptoms are “normal”, “just stress” or something they should simply put up with but ongoing bloating is often your body asking for support.

Your symptoms are valid 🤍

Understanding why your gut is reacting the way it is is the first step towards actually improving it, instead of constantly guessing or masking symptoms.

My Gut Health Course is designed to help you better understand your gut, your triggers and what your body may be trying to tell you ✨

Learn what to do about it
🔗 Link in bio

06/06/2026

Struggling with bloating, IBS symptoms, constipation or an unsettled stomach?

One of the biggest gut health mistakes I see is people looking for expensive supplements before fixing the basics.

These are 3 simple foods I regularly encourage my clients to eat more of because they can help support:

✓ Healthy gut bacteria
✓ Digestion
✓ Bowel regularity
✓ Long-term gut health

The good news? Supporting your gut doesn't have to be complicated.

Small daily habits, repeated consistently, often make a bigger difference than the latest health trend.

As a Specialist Dietitian with 30 years of experience, I've helped thousands of people improve their gut health through personalised nutrition and practical lifestyle changes.

Want to learn more?

Inside my Gut Health Course, I teach the exact foods, habits and strategies I use with clients to help them better understand their symptoms and improve their gut health long term.

✨ Enrolment now open
🔗 Link in bio














Stress doesn’t just affect your mind - it can affect your gut too 🤍Bloating, stomach pain, changes in appetite, nausea a...
05/06/2026

Stress doesn’t just affect your mind - it can affect your gut too 🤍

Bloating, stomach pain, changes in appetite, nausea and digestive discomfort can all become worse during periods of stress or anxiety.

Your gut and brain are constantly communicating, which is why gut symptoms can often feel worse when life feels overwhelming.

But it works both ways 👀
Ongoing gut issues can also impact mood, energy, focus and overall wellbeing.

Understanding the connection is the first step toward supporting your gut properly - not just masking symptoms.

Inside my Gut Health Course, I explain the gut-brain connection in more depth, along with practical ways to support your digestion, stress levels and overall gut health ✨

Enrolment now open
🔗 Link in bio

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.

Your body is always communicating with you - the question is, are you listening? 👀✨Constant bloating, low energy, brain ...
02/06/2026

Your body is always communicating with you - the question is, are you listening? 👀✨

Constant bloating, low energy, brain fog or digestive symptoms that keep coming back are often signs that your gut may need support.

So many people are told to just “put up with” these symptoms, but feeling uncomfortable after eating every day shouldn’t feel normal.

My Gut Health Course is designed to help you better understand what your body is trying to tell you and give you practical, realistic steps to support your gut health long term 🤍

If you’re tired of guessing, overwhelmed by conflicting advice or fed up feeling uncomfortable, this course is for you.

🔗 Link in bio for more details and enrolment.

Most people expect a thyroid plan to focus on one thing.In reality, it’s rarely that simple.A gut-focused approach looks...
30/05/2026

Most people expect a thyroid plan to focus on one thing.

In reality, it’s rarely that simple.

A gut-focused approach looks at how different systems in the body are working together - not just symptoms in isolation.

That can include digestion, nutrient absorption, inflammation, and overall routine.

It’s about understanding what’s happening beneath the surface, and building an approach that supports the body as a whole.

If you feel like you’ve tried all the supplements… and nothing’s really changed, you’re not alone.Supplements can have t...
27/05/2026

If you feel like you’ve tried all the supplements… and nothing’s really changed, you’re not alone.

Supplements can have their place.
But they’re not the starting point.

If the root cause isn’t being addressed, they often just become another thing you’re trying… without real results.

Gut health isn’t about adding more and more in.
It’s about understanding what your body actually needs, and building the right approach around that.

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

Website

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