Asker Jeukendrup3 min readEffects of dietary supplements on adaptations to endurance trainingSupplements such as sodium bicarbonate, beta-alanine, beetroot juice, and caffeine might improve the adaptation to training
Asker Jeukendrup5 min readPre-workout supplements: which ones are the best?Pre-workout supplement: what do they consist off and do they work?
Asker Jeukendrup3 min readDo you need to refrain from coffee to get the maximal effect of caffeine?A very popular believe in sports is that in order to get maximum effect of caffeine in competition you need to withdraw from caffeine days b
Asker Jeukendrup3 min readCan caffeine improve absorption of carbs?Caffeine may help in the absorption of carbohydrate and this could be another way caffeine can improve performance. What does the literature
Asker Jeukendrup4 min readIs caffeine responsiveness in your genes?Caffeine can improve performance but there seem to be large individual differences in the response. Is this all down to our genes?
Asker Jeukendrup3 min readHydrating properties of various drinksWater and sports drink are thought off as drinks with great hydration properties whereas caffeine containing beverages such as tea, coffee a
Asker Jeukendrup3 min readTiming of caffeine intake in long racesThere is no question that caffeine can improve endurance performance. But what if you take it late in exercise? does it still work?
Asker Jeukendrup3 min readDoes coffee dehydrate?We often read that coffee or caffeine dehydrates you. All coffee? all caffeine? and what amounts? Or is it all a myth?
Asker Jeukendrup3 min readHow much caffeine is in coffee?Coffee is one of the most popular drinks worldwide and a major source of caffeine consumption. Coffee may be even more popular amongst...
Asker Jeukendrup2 min readCoffee versus caffeineCaffeine has been shown to improve endurance performance Studies showing this date back to the 1970s and the findings have been confirmed...
Asker Jeukendrup3 min read3 gels per hour for the marathon?There is no question that carbohydrate is the main fuel for a marathon. There is also no question about the fact that body carbohydrate...