Learn how to eat for sustained health without the hassle of calorie counting.
Discover a pragmatic approach that eliminates the confusion between lower- and higher-carb diets.
Tailor your diet to effortlessly find the perfect nutritional strategy for your wellbeing.
In the Carbohydrate Appropriate Diet...
You will find simple, evidence-based guidance on how to start a process of discovery to find your optimal diet, whether that is low-, high-, or moderate carb!

Meet Dr Cliff Harvey
Dr Cliff Harvey is a registered clinical nutritionist, researcher, and lecturer. He is the founder of the Holistic Performance Institute, a private tertiary college that trains registered health coaches, sports nutritionists, and clinical nutritionists. Cliff is a board member of the Clinical Nutrition Association, the Sports Nutrition Association, and Health Coaches Association of New Zealand & Australia, and a member of the Sigma Xi Scientific Research Honour Society. He was recently named a Fellow of the Clinical Nutrition Association for his outstanding service to nutrition in Aotearoa, one of only three people to ever receive this honour. He is also the author of many peer-reviewed scientific papers, and books including The Carbohydrate Appropriate Diet, the Ashton-Wylie Book Award finalist Time Rich, Cash Optional and The Credo: 8 Simple virtues for living with passion and purpose in the post-truth era. Cliff has worked with many Pro, Olympic, Commonwealth, and World Champion athletes, along with thousands of people struggling with serious health concerns.
Transform your nutrition with this classic today!
Take the first step towards a healthier you with the Carbohydrate Appropriate Diet. Say goodbye to confusion and hello to a personalized nutritional approach that fits your lifestyle perfectly.
$29.99