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Nutrient timing: Does the "window of opportunity" really exist?
Few ideas in sports nutrition have been as influential, or perhaps as widely misunderstood, as the so-called "window of opportunity". During the 1990s the message appeared simple and compelling: consume carbohydrate immediately after exercise, ingest protein within 30 minutes, and avoid missing the critical recovery window. Over time these ideas became embedded in sports practice. Athletes built routines around them and many still worry that delaying a recovery drink by an ho
Asker Jeukendrup
6 min read


UCI Sports Nutrition Project: Nutrition in road cycling
The recently published UCI Sports Nutrition Project paper on road cycling provides one of the most comprehensive overviews to date of race nutrition in professional road cycling (1)(CLICK HERE). It was a privilege to bring together a group of scientists and practitioners working directly with WorldTour teams, to write a scientific paper and describe evolution or revolution of nutrition in this sport that is leading the way in applied sports nutrition. This paper aimed not to
Asker Jeukendrup
7 min read


CGM: lessons learned from Para cyclists
Continuous Glucose Monitoring (CGM) is gaining attention as a tool for optimising dietary counselling in athletes. By providing real-time glucose data, CGMs offer the potential to enhance our understanding of how athletes’ bodies respond to training, recovery, and nutrition. In our study, published in the European Journal of Sport Science, we investigated the use of CGMs in Para athletes to explore their potential applications and limitations. New study on CGM in Para cyclist
Vera Weijer
4 min read


Carbohydrate recommendations relative to body weight
When we recommend carbohydrate intake for the day, it is often expressed as grams per kg bodyweight. For example, for most sports this will be between 5 and 8 g/kg with values up to 12 g/kg on some days, in some sports. Protein intake is also expressed per kg body weight or per kg fat-free mass and this makes sense. However, when it comes to carbohydrate intake during exercise, recommendations are provided in grams per hour. A recent study challenged this view. Should we real
Asker Jeukendrup
6 min read
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