
Insulin Resistance: The Hidden Cause of Chronic Illness
Discover how insulin resistance silently drives chronic disease, from diabetes to heart disease, and learn science-backed strategies to reverse it.
Read moreExpert low carb and keto nutrition coaching in Pakenham, Victoria. Personalised, evidence-based guidance to help you lose weight, manage diabetes, and achieve lasting metabolic health.
Our team of doctors, researchers, and wellness coaches provide evidence-based support across key areas of nutritional health.
Sustainable, science-backed weight loss through low carb and ketogenic nutrition strategies. Lose weight without hunger by managing insulin and optimising your metabolism.
Evidence-based nutrition strategies to help manage and potentially reverse type 2 diabetes. Lower blood glucose, reduce insulin resistance, and reclaim your health.
Expert guidance on ketogenic and low carb high fat diets. Learn to enter ketosis safely, understand your macros, and maintain a sustainable low carb lifestyle long term.
Understand and optimise your metabolic health with personalised coaching. Address insulin resistance, inflammation, and hormonal balance through targeted nutritional interventions.
At The Nutrition Science Group, we believe that lasting health transformation starts with understanding the science behind what we eat. Our approach is grounded in the latest metabolic research on low carb and ketogenic nutrition, insulin resistance, and intermittent fasting.
Led by Dr John Stewart, our team of health professionals combines decades of clinical experience with cutting-edge nutritional science to deliver personalised coaching that gets real results.
Whether you are managing diabetes, looking to lose weight, or simply want to optimise your metabolic health, we provide the knowledge, tools, and ongoing support you need to succeed.

10+
Years of Research
Passionate health professionals dedicated to helping you achieve your wellness goals through evidence-based nutrition.

Wellness Coach
Dr. John Stewart, after being diagnosed as pre-diabetic, decided to take charge of his life by starting to eat healthy. He has been rewarded with now normal fasting blood glucose values and a Body Mass Index of 22. He is an advocate of intermittent fasting and finds his periods in ketosis bring him improved mental clarity. His training in nutrition, physiology, pathology, microbiology, and pharmacology as a veterinarian has allowed him an appreciation of cross-species differences between humans and other mammals. He has spent thousands of hours looking at the latest nutrition research and interacting with scientists and healthcare workers.

Wellness Coach
Katherine is a warrior for healthy eating, exercise and meditation. She is a registered occupational therapist who finished dux of her class graduating with first class honours. She is also a showjumping rider who as a teenager represented Australia at the World children’s showjumping championships. Katherine walks the talk regarding her low carb high healthy fat eating and is a great role model admired by her friends for overcoming setbacks she has faced.

Low Carb and Keto Doctor in General Practice
Runner up New Zealand GP of the year in February 2020, Glen has done great work in the Taupo population assisting particularly the Maori community with reversing type 2 Diabetes and obesity. After graduating from the Otago Medical School in New Zealand, he spent 2.5 years working in a mission hospital in Papua New Guinea. He is a Fellow of the Australasian Society of Lifestyle Medicine and has done ground breaking work using ketosis as a tool for Diabetes reversal and Chronic fatigue syndrome.
Evidence-based insights on nutrition, low carb living, and metabolic health to help you make informed decisions.

Discover how insulin resistance silently drives chronic disease, from diabetes to heart disease, and learn science-backed strategies to reverse it.
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Easy low-carb egg muffins packed with spinach, cheese, and protein. A quick 20-minute recipe perfect for meal prep breakfasts and healthy snacks.
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Time Restricted Feeding (TRF) is a diet strategy that involves eating within a limited window of time each day, typically 12 hours, and fasting for the remaining 12 hours. This approach differs fro...
Read moreTake the first step towards a healthier, more energised life. Our team is here to guide you with personalised, science-backed nutrition coaching.