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Meet The  Team

Sarina & Christelle


Sarina Nel

BSc Dietetics cum laude (NWU) 2014

I have been in private practice for 9 years, with a keen interest in chronic disease and DNA gene testing.

Mainly seeing outpatients, but also see patients in the hospital either in the ICU setting or in the medical wards.

I am here to walk beside you on your journey, whether small or big.  I am here to guide, but also to learn.

If I am not working, you will find me DIY-ing & cooking with my husband, cat and dog.

Special interest:

  • Weight loss - (including Optifast, kids and emotional eaters)

  • DNA tests and diets

  • Renal disease and nephrectomy (Completed an Advance Renal Nutrition course)

  • Food tolerance diets

  • Diabetes

  • PCOS

  • Irritable bowel syndrome (EatFit accredited)

  • Menu and recipe review and development

Registered with:

  • The Health Professions Council of South Africa (HPCSA)

  • The Association for Dietetics in South Africa (ADSA)

  • Centre for Diabetes Endocrinology (CDE) diabetes-trained dietician

  • OPTIFAST CDE trained dietician

  • DNA’lysis to report on DNA test results

  • Eatfit network dietician (IBS and FODMAP Diet training by Eatfit)

072 230 6557

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Christelle Smith

BSc Dietetics cum laude (NWU) 2014

I believe in a no-nonsense and evidence-based approach to nutrition. 


Translating nutrition science into a more practical and understandable language for my clients brings me so much joy.  This helps to empower them in order to make lasting lifestyle and dietary changes. 


Living in China and traveling for three years also gave me a more open-minded approach. 

I joined the Waterfall Nutrition team in 2021 and I am mainly seeing in-hospital patients but do see clients at our practice as well. 

My special interests are:

  • Critical care, renal nutrition, diseases of lifestyle (Diabetes, High Blood Pressure/Hypertension/High Cholesterol) and lifestyle modifications.

  • ​*In addition, I  completed an Advance Renal Nutrition course.

  • I am registered with:

  • The Health Professions Council of South Africa (HPCSA)

  • The Association for Dietetics in South Africa (ADSA)

  • Eatfit (The dietary management of irritable bowel syndrome)

  • CDE OPTIFAST program, for the management of Type 2 Diabetes and Obesity

  • DNA’lysis, to report on DNA test results

In my spare time, I enjoy reading, going for walks and spending quality time with my husband and son. 

063 297 5676 

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