Our Nutrition experts

I Quit Sugar works with a crew of nutritionists & dietitians. Check out our experts below.

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Abbie Harris


Abbie is a Naturopath and Product Developer. Abbie is a passionate wellness advocate and has a special interest in food as medicine – specifically eating for health to achieve weight loss, radiant energy and to prevent and improve health… Read more

IQS Expert - Angelique Panagos

Angelique Panagos

Nutritional Therapist

Angelique Panagos is a London Nutritional Therapist, speaker, writer, total foodie and health crusader. Angelique specialises in the fields of female health, hormonal balance, energy enhancement, stress management, weight management and digestive wellness. Her working… Read more


Catherine Arnold

Nutritional Therapist

Nutritional therapist Catherine Arnold had a significant shift in careers after realising the true power of food and nutrition. Catherine is also a yoga instructor, mum of two and one day hopes to combine her love of… Read more

Claire Grullemans

Claire Grullemans

Naturopath + Nutritionist

Claire Grullemans is a Naturopath + Nutritionist with a special interest in weight loss and fertility Read more


Georgia Bellas

Nutritionist + Food + Recipes Manager at IQS

Georgia Bellas is one of I Quit Sugar’s in-house nutritionists and is our Food + Recipes Manager. If Georgia isn’t talking about food as medicine, no doubt you’ll find her talking about her Greek heritage… Read more

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Kate Callaghan

Holistic Dietician and Nutritionist

Kate Callaghan is an holistic dietitian, nutritionist and personal trainer who is a firm believer in food as medicine. She lives by the philosophy of "Eat well. Train smart. Be kind." which we agree is just a little bit great. Read more

I Quit Sugar Portrait

Laura de la Harpe

Nutritional Therapist

Laura de la Harpe is a qualified, registered nutritional therapist and member of the Institute for Functional Medicine, based in Berkshire, England. Laura regularly appear on local and national radio programmes to discuss the latest in Nutrition… Read more

IQS Expert - Lidia Bier

Lidia Bier

Naturopath and Nutritionist

Lidia Bier is a Melbourne-based naturopath and nutritionist. She is a longtime vegan, primarily due to ethical reasons, and specialises in vegan nutrition and wellbeing. She is a firm believer in food being the very… Read more

IQS Expert - Lynda Griparic

Lynda Griparic

Naturopath + Nutritionist

Lynda Griparic is a naturopath, nutritionist and yin yoga teacher, specialising in constipation, gut health and weight loss. She has extensive experience in investigating and treating the underlying causes of gut disturbance, metabolic problems and weight gain. Read more


Marieke Rodenstein

Dietitian and Nutritionist

Marieke Rodenstein is a breath of fresh air in the world of dietetics. We love that she follows the same nutrient dense eating principles as I Quit Sugar, and we’re thrilled that she is willing to… Read more

Our experts

Did you know I Quit Sugar works with a crew of more than 40 handpicked health and wellness experts? Check out the categories below to discover more.


Did you know I Quit Sugar has a range of programs to help you? 
Discover more about our programs below.

8-Week Program

Our 8-Week Program is the only real sugar-quitting solution. It’s loaded with the latest science, community support, expert advice and access to tips and tricks to help you give sugar the boot. For good!

8-Week Program

The 7-Day Reboot is perfect for those that have completed our 8-Week Program and would like a quick reset. It’s also a great option for folks wanting a little sample of the low-sugar life, but who are not yet ready to commit to the full eight weeks.