Helping you make sense of nutrition
Evidence-based nutrition support for digestive health, fatigue and GLP-1 medications.
Whether you're living with ongoing digestive symptoms, feeling overwhelmed by conflicting nutrition advice, or looking for support while taking Mounjaro or Wegovy, you'll receive personalised, practical advice grounded in clinical evidence.
Online consultations available across the UK.
Does this sound familiar?
You've tried changing your diet.
You've read countless articles online.
You've followed advice on social media.
You've even been told your tests are "normal".
Yet you're still left wondering what you should actually eat.
If that sounds familiar, you're not alone.
Many of the people I work with feel overwhelmed by conflicting nutrition advice before they come to see me.
My role is to help you make sense of it all.
Specialist nutrition support for:
Digestive Health
Support for bloating, IBS, constipation, diarrhoea and other digestive symptoms using evidence-based nutrition.
GLP-1 Nutrition
Practical nutrition support before, during and after treatment with medications such as Mounjaro and Wegovy.
Fatigue & Nutritional Health
Helping you optimise your nutrition to support energy, nutritional adequacy and day-to-day wellbeing.
Why choose CK Clinical Nutrition?
When you're looking for nutrition advice, it can be difficult to know who to trust.
As a HCPC Registered Dietitian, Lead NHS Specialist Dietitian and PhD-qualified Clinical Nutrition researcher, my advice is grounded in evidence rather than trends.
I won't recommend unnecessary supplements. I won't ask you to cut out foods without good reason. And I won't make promises that aren't supported by evidence.
Instead, we'll work together to find practical nutrition strategies that fit your life.
Explore the Knowledge Centre
Looking for reliable nutrition information?
The Knowledge Centre is a growing library of evidence-based articles covering digestive health, GLP-1 medications, protein, fibre, gut health and common nutrition myths.
Clear, practical information you can trust.
Meet Dr Colette Kirk
Hello, I'm Colette.
Alongside my private practice, I work as a Lead Specialist Dietitian within the NHS and have completed a PhD in Clinical Nutrition.
My passion is translating complex nutrition science into advice that people can actually use in everyday life.
Whether you're managing digestive symptoms, taking a GLP-1 medication or simply feeling confused by the amount of nutrition advice online, my aim is always the same: To help you feel more confident about food.
The CK Clinical Nutrition Newsletter
Practical, evidence-based nutrition tips delivered to your inbox. No trends, no spam, just science you can actually use.