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The myth of switching to fat metabolism
There are countless times I have watched sports on TV and commentators provide their insights on the regulation of fuel use. “And then...
Asker Jeukendrup
4 min read
Carnitine: the claims and why it may not work
Carnitine (also known as L-carnitine) is a substance present in relatively high quantities in meat (the Latin word carnis means meat or...
Asker Jeukendrup
6 min read
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
The female athlete: Considerations for fuel storage and utilization
In a previous blog post, Dr. Kirsty Elliot-Sale nicely highlighted that differences in anatomy, physiology and psychology between males...
Michaela Devries
4 min read
Fish oil: what is it?
Fish oil is a dietary source of omega-3 fatty acids which have been linked to various health effects. Omega-3 fatty acids play a role in...
Asker Jeukendrup
4 min read
Modified carbohydrates: Wave of the (sports nutrition) future?
What if we could modify the chemical structure of nutrients to alter their digestion, absorption, and metabolic effects during exercise?...
Daniel Baur and Mike Ormsbee
5 min read
Study shows that caffeine increases fat burning, but does it matter?
In new Spanish study appeared in the European Journal of Nutrition about the role of caffeine and fat burning (oxidation).
Asker Jeukendrup
5 min read
Do ketone esters spare glycogen and improve performance?
Are ketone esters really such a magical supplement?
Asker Jeukendrup
4 min read
Is low carb low carb?
The Tower of Babel would reach into heaven. But this tower could not be completed because of confusion and the fact that workers did not spe
Asker Jeukendrup
4 min read
Women are better fat burners than men
In long events women often outperform men. Is this because their metabolism is better suited for endurance?
Asker Jeukendrup
3 min read
LCHF diets and performance in elite athletes
The topic of low carbohydrate high fat diets (LCHF) or ketogenic diets for athletes is still hotly debated. I posted some thoughts in a...
Asker Jeukendrup
3 min read
Ketogenic diets for athletes
Claims that ketogenic diets improve performance are not based on evidence. There is currently no evidence to support their use.
Asker Jeukendrup
5 min read
Ketone bodies: Fuel or hype?
Have we found a new magic substrate (fuel) for the muscle or is it all hype?
Asker Jeukendrup
4 min read
Foodfight: high fat versus high carb
The low carb group shouts, “carbohydrate is bad”, while the high carbohydrate group, you shout “you must carboload”!
Asker Jeukendrup
4 min read
Finding your fat burning zone
Fat burning is always a hot topic and we seem obsessed with it. How do you find your fat burning zone?
Asker Jeukendrup
3 min read
A problem with the reporting of effects of ketogenic diet?
There is a lot of talk about the so called ketogenic diet.
Asker Jeukendrup
4 min read
MCT: the new fuel for athletes?
I spent several years of my life investigating a potential role of MCT for athletes. There appears to be a renewed interest in it.
Asker Jeukendrup
4 min read
Food fight: High carb or high fat
It is almost turning into a fight, a foodfight. "You must carbo-load!" vs "No! you must avoid carbohydrate! You must eat more fat!"
Asker Jeukendrup
1 min read
Red wine to increase fat burning?
Can drinking red wine increase fat burning?
Asker Jeukendrup
3 min read
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