Mary MacKillop Institute for Health Research

Excising carbs a futile exercise


Despite testimonials from some high-profile athletes and sports science professionals promoting the benefits of adopting a low carb high fat diet for endurance performance, new research from Mary MacKillop Institute for Health Research at Australian Catholic University and the Australian Institute of Sport, has revealed that a high fat, low carb diet can actually impair the performance of elite athletes.

Professor Louise Burke, Head of Sports Nutrition at the Australian Institute of Sport and Professorial Fellow at the Mary MacKillop Institute for Health Research, studied the performance of elite male race walkers, including a seven-time Olympic and World Championship medallist, over a three week period of intensified training.The study was the first of its kind to examine the effect of a low carbohydrate, high-fat diet (LCHF) on metabolism and performance over the range of intensities at which endurance athletes train and compete.

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