As Australia's national science agency, we solve the greatest challenges through innovative science and technology. For more than a century we have worked together with industry, government, universities and research organisations to turn big ideas into disruptive solutions. Solutions for food security and quality; clean energy and resources; health and wellbeing; resilient and valuable environments; innovative industries; and a secure Australia and region. CSIRO is at the forefront of nutritional science and lifestyle research in Australia. Our research involves the complex relationship between the health of individuals, populations, and the environment. We have a track record of translating scientific findings into a variety of practical and easy to follow nutrition and exercise programs that support Australians to improve their health. Professor Grant Brinkworth is a principal research scientist in Clinical Nutrition and Exercise at CSIRO Health and Biosecurity. He has a PhD and expertise in diet, nutrition and exercise science. Dr Pennie Taylor is the senior research dietitian at CSIRO Health and Biosecurity.