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The optimal ratio of carbohydrates
In 2003, we discovered that certain combinations of carbohydrate could be absorbed faster in a sports setting. Before this discovery it...
Asker Jeukendrup
4 min read
32,717 views


Probiotics: it may not all be positive
We are learning more and more about the importance of the microbiome and the links with various diseases. However, the consumer is...
Asker Jeukendrup and Alex Mohr
5 min read
4,999 views


Sodium bicarbonate, cheap and effective?
Sodium bicarbonate is a household product commonly known as baking soda that many may be familiar with. What some may not know is that...
Bryan Saunders
4 min read
15,375 views


Are electrolytes important for athletes?
In this series of blog posts, we’ve discussed what is meant by the ‘electrolytes’, that are promoted in sports nutrition products. We’ve...
Alan McCubbin
7 min read
18,104 views


Can the gut microbiota be trained?
Athletes that follow an exercise and dietary regimen usually expect to see a performance benefit for their efforts. Also impacted by these f
Alex Mohr
8 min read
9,421 views


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
32,906 views


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
8,330 views


What are the effects of low energy availability on health and performance?
In a previous blog-post we defined what energy availability is and what typically is considered to be ‘low energy availability’ (LEA)....
Jose Areta
4 min read
5,895 views


Dairy and health
Milk and other dairy products are polarising. Some claim it is the best option for recovery, others claim there are detrimental health...
Asker Jeukendrup
5 min read
4,367 views


Will women outperform men in ultra-endurance events?
An interesting review (1) was published recently re-igniting the discussion whether women will ever outperform men in ultra-endurance...
Ollie Odell
5 min read
13,347 views


Preventing and managing gut issues
It is now well accepted that gut complaints during and after exercise are a common issues amongst athletes (Read more here). The primary...
Ricardo Costa
5 min read
7,547 views


What causes gut issues during and after exercise?
Many competitions take place in hot and challenging conditions. The Tokyo Olympic Games are only an example. The expected hot conditions...
Ricardo Costa
4 min read
7,142 views


Milking it, can lactose be useful in sports nutrition?
Lactose is a sugar found in milk. Is this type of carbohydrate a good source ion energy during exercise? This blog looks at the results...
Ollie Odell
3 min read
5,261 views


Smaller runners benefit more from nutrition during a marathon
In a previous blog we discussed what it takes to run a sub 2h marathon. Nutrition is an important factor, and in particular race...
Asker Jeukendrup
3 min read
6,379 views


Do slow carbs live up to the hype?
Slow carbs are in fashion. There are slow carb diets, slow carb sports nutrition products, and just slow carbs. But do they live up to...
Asker Jeukendrup
6 min read
20,464 views


Race day breakfast considerations
Breakfast or the last meal before competition is important and can have a significant impact on performance.

Caroline Tarnowski
5 min read
29,973 views


120 grams of carbohydrate per hour in mountain marathon runners
A new paper was published that suggests intakes of 120 g/h in mountain marathon runners.
Asker Jeukendrup
3 min read
21,929 views


The case for high carbohydrate intake during long races
Runners find it hard to ingest carbohydrate during running, perhaps because they are not used to it. Studies show they could benefit from...
Asker Jeukendrup
4 min read
14,779 views


What is better? Frequent sips or larger amounts of drinks during running?
Carbohydrate intake during exercise can enhance endurance exercise performance. but should it be frequent sips or less regular larger amount
Asker Jeukendrup
3 min read
9,204 views


A nifty tool to plan your nutrition
I have been helping athletes to create nutrition plans for their races for a long time. For 25 years, I have worked with, listened to and...
Asker Jeukendrup
6 min read
12,211 views
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