A new BMJ Open paper highlights an important problem: fluent answers are not always accurate answers. People are turning to chatbots like ChatGPT and Gemini to get ...

The question of "Which types of protein are best for athletes?" is no longer limited to which protein source produces the largest acute stimulation of muscle protein synthesis. In contemporary sports ...

Asker Jeukendrup was born in Roermond in the Netherlands in 1969. Following an MSc in Human Movement Sciences at Maastricht University in the Netherlands he completed his PhD in 1997 at the same ...

Guidelines 10 years ago stated that carbohydrate intake during exercise should be 30-60 grams per hour, this developed to intakes of 90 g/h in some situations, but recently a paper was published that ...

The World Health Organisation (WHO) have advised that a diet high in free sugars can be harmful to health as it is associated with dental decay and may lead to excess consumption of energy (calories), ...

The study investigated the effect of an ‘oxygen-nanobubble beverage’ on physiology and performance in a small group of cyclists. The authors report a very large 2.4% improvement in performance in a 16 ...

Caffeine is both a drug and a nutrient. A cup of coffee in the morning is used to wake up a cup in the evening is often used to work or study late. Athletes often use it to improve endurance ...

The studies by David Costill in the late 1970s (2) showed that caffeine can increase the mobilisation of fatty acids from their stores. Fat is stored in several tissues but mostly in adipose tissues.

In 2003, we discovered that certain combinations of carbohydrate could be absorbed faster in a sports setting. Before this discovery it was believed that the maximal amount of carbohydrate that could ...

In a previous blog I explained the reason for the grams per hour recommendations. In a large number of studies there seemed to be only small differences between individuals in terms of the maximum ...

In a previous blog we explored how underrepresented women are in scientific research and we recommended that we need more studies in female athletes. However, research is slow, and takes time.