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What is Clinical Nutrition Consultancy (CNC)?
CNC is managed by Ruth Reidy and is a part-time private nutrition & dietetic service based in Carrigtwohill and Mitchelstown, Co. Cork. The aim of CNC is to provide 'nutrition 4 u', whether you are an individual seeking specific nutritional advice in our Nutrition4u Clinic or a company that wants Dietitian-led evidence based nutritional information for your staff/canteen or Residential/ Nursing home. The Nutrition4u Clinic has four Dietitians practicing in their Carrigtwohill Clinic, with Ruth also providing a Clinic in Mitchelstown.


What is a Clinical Nutritionist / Dietitian?
A Dietitian or Clinical Nutritionist working in Ireland has a recognized qualification in Nutrition & Dietetics and is a member of the Irish Nutrition and Dietetics Institute (I.N.D.I.). We have a scientific and medical background, which ensures that we can educate you on your nutritional needs, taking into account any medical condition you may have. We are regulated by Coru and as such are recognised as the experts in nutritional and dietetic care.


Who Is Your Clinical Nutritionist/Dietitian?


Adult Clinic

Ruth Reidy, Dietitian ManagerIrish Nutrition and Dietetics Institute (I.N.D.I.)Ruth Reidy, Dietitian Manager,
B.Sc (Hum Nut), Dip(Diet), Cert HP (Open), M.I.N.D.I.


Ruth Reidy is a member of the Irish Nutrition and Dietetics Institute (I.N.D.I.) and is an honours graduate of the BSc of Human Nutrition & Dietetics at Trinity College Dublin and Kevin Street D.I.T. She has worked in both the Hospital and Community areas including Limerick Regional Hospital, the Bon Secours Hospital Cork, HSE North Cork Primary Care in Mallow & Cork Mater Private Hospital. She has worked in many different specialties including Intensive care, surgery, eating disorders, paediatrics, obesity clinics, diabetes, heart disease, gastroenterology, to name but a few.


Ruth ran an obesity clinic for people taking Xenical. She is a member of the following INDI Special Interest Groups: Gastroenterology, Weight Management, Diabetes and Cardiology. Since graduation, she has obtained a Certificate in Health Promotion from the Open University, a Certificate in Interpersonal Communications Skills from UCC, a Diploma in Parent Mentoring from UCC and an IMI Certificate in Management & Leadership in 2017. She worked as a Diabetes Xpert tutor for 6 years while working for the HSE in North Cork Community care area and is also a qualified FODMAP tutor, which is so important for IBS nutritional management & treatment. She was recently appointed as the INDI Education & Professional Practice Manager



Paediatric Clinic

We have two Paediatric Dietitians at the Nutrition4u Clinic: Caitriona Kiernan and Olivia Walsh



Ms Caitriona Kiernan, Specialist Paediatric DietitianIrish Nutrition and Dietetics Institute (I.N.D.I.)Ms Caitriona Kiernan, Specialist Paediatric Dietitian,
BSc (Dietetics); BSc(Microbiology), M.I.N.D.I.


Caitríona graduated with an honours degree in Dietetics in 2009. Since then she has worked as a Dietitian in a variety of posts, mainly in the UK. Caitriona has worked with adult patients as part of neurological, gastrointestinal and surgical medical teams but her passion is paediatric dietetics. She gained extensive paediatric and neonatal experience in both hospital and community settings in the UK providing dietary advice and support to families affected by food allergies, feeding problems, selective/ restrictive eating, faltering growth, gastrointestinal issues such as reflux and constipation, diabetes and overweight / obesity. Caitríona regularly attends specialist study days and workshops to keep up to date with developments in areas such as food allergy and weaning has most recently received training in the SOS (sequential oral sensory) approach to problem feeding and the ketogenic diet for epilepsy. She is a member of the British Dietetic Association and its specialist Paediatric, Autism, Neonatal and Gastroenterology groups. Caitriona also holds a certificate in Counselling skills.



Ms Olivia Walsh, Clinical Specialist Paediatric DietitianIrish Nutrition and Dietetics Institute (I.N.D.I.)Ms Olivia Walsh, Clinical Specialist Paediatric Dietitian,
B.Sc (Hum Nut), Dip(Diet), M.I.N.D.I  
(Currently on Maternity Leave)


Olivia completed her undergraduate degree in Human Nutrition in University of Ulster, Coleraine and completed her postgraduate diploma in Dietetics in King's College in London. Since early 2009 Olivia has been working as a Dietitian and has gained a wide range of experience in large teaching hospitals in London. She has worked with both adults and children but has specialised in Paediatrics over the past couple of years. Olivia has gained experience in working with adult patients with surgical, gastrointestinal, oncology and metabolic conditions such as PKU. Her Paediatric experience has covered allergies, obesity, faltering growth, fussy eating, diabetes and neonatal nutrition. Olivia's main interests are in Paediatric food allergies, behavioural feeding problems and neonatal nutrition. Olivia is a member of the British Dietetic Association and the INDI. She also is a member of specialist groups such as the FAISG (Food Allergy & Intolerance Specialist Group) and NDIG (Neonatal Dietitians Interest Group). Olivia has attended many professional courses including two of the British Dietetic Paediatric Masters Modules. 


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Sports Performance Nutrition Clinic

Our Sports Performance Nutritionist at the Nutrition4u Clinic is Mr Billy Murphy.


Mr Billy Murphy. Sports Performance Nutritionist/Dietitian 

Irish Nutrition and Dietetics Institute (I.N.D.I.)Mr Billy Murphy. Sports Performance Nutritionist/Dietitian,
BESS (Hons), MSc Hum Nutr, PgDip Diet, M.I.N.D.I






  • BSc Sport & Exercise Science; MSc in Human Nutrition; PgDip in Dietetics.
  • Billy trained in ISAK Level 1 Anthropometry, Level 1 Interpersonal Skills Training and Level 2 Motivational Interviewing Skills.
  • Since qualifying in 2007, Billy has worked as a Dietitian with numerous teams, sports centres and athletes across a wide range of sporting disciplines. He presently works as a Consultant Dietitian to the Cork Senior Hurling Team and collaborates closely with the Mardyke Arena on many different projects.
  • Billy has significant clinical experience in a variety of dietetic specialities including type 1 and 2 diabetes, oncology, weight management, and bariatric surgery. Over the years he has strived to assist people with a variety of medical conditions learn how to use food and exercise to improve health and overall quality of life.
  • Outside of his work, Billy has been heavily involved in exercise all his life playing a wide variety of sports. He has played hurling at county level, winning Munster and Ireland intermediate honours in 2009. He continues to be heavily involved with his local GAA club as a player and coach to teams of all ages.
  • Billy has merged his passion for exercise and nutrition to specialise in the field of sports nutrition. The skills and knowledge he has acquired during his time as a dietitian, his academic background, his own sporting career in addition to his keen interest in motivational interviewing gives his clients the best possible opportunity to achieve their personal goals and targets.


Because all the Nutrition4u Clinic Dietitians are members of the INDI, your appointment fees are approved and may be claimed back with your Out-patient expenses with the following companies: VHI HealthcareLAYA Healthcare & Irish Life Health.

Ruth Reidy Clinical Nutrition Consultancy

Individual Consultations

A Clinical Nutritionist receives referrals for a variety of reasons. This referral
can be from a G.P. or Hospital Consultant or directly from any person. The following
are a list of medical conditions that often necessitate being seen by a Dietitian.


Diabetes Irritable Bowel Syndrome (IBS) Hyperlipidaemia & Heart Health
Coeliac Disease Nutrition & Pregnancy  Nutritionally balanced eating plan
Crohn's Disease  Ulcerative Colitis Constipation
High Blood Pressure Weight Management Diverticular Disease
GORD (Reflux) High Cholesterol  Polycystic Ovarian Syndrome (PCOS)