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Fat burners
The term “Fat burners” refers to a category of supplements. These supplements are claimed to influence fat metabolism in some way. Fat...
Asker Jeukendrup
5 min read


Caffeinated chewing gum for exercise performance
Caffeine is considered one of the few performance-enhancing supplements that can truly elicit an ergogenic effect. There is a large body...
Gabriel Barreto and Bryan Saunders
4 min read


How to fuel for a marathon
Marathon runners are starting to pay more and more attention to their nutrition. No one ever questions the importance of training, yet...
Asker Jeukendrup
13 min read


How does caffeine work?
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...
Ollie Odell
4 min read


Caffeinated chewing gum and its benefits
Caffeine is used by many athletes due to its potential as a performance enhancer. There is a substantial amount of scientific evidence to...
Asker Jeukendrup
3 min read


Do 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 Jeukendrup
3 min read


Can 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 Jeukendrup
3 min read


Hydrating properties of various drinks
Water and sports drink are thought of as drinks with great hydration properties whereas caffeine containing beverages such as tea, coffee a
Asker Jeukendrup
3 min read


Does 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 Jeukendrup
3 min read


Timing of caffeine intake in long races
There is no question that caffeine can improve endurance performance. But what if you take it late in exercise? Does it still work?
Asker Jeukendrup
4 min read
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