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Best carbohydrate for performance: does the evidence support the hype?
Carbohydrate ingestion during exercise worksbut what is the best carbohydrate for performance? Whether newer carbohydrate products, such as modified starches and hydrogels, and low-carbohydrate protocols improve endurance performance beyond well-established carbohydrate nutrition strategies, is the subject of discussion.
Mike Ormsbee
6 min read


How is exogenous carbohydrate oxidation measured?
When a study reports that athletes oxidised 60 g of an ingested carbohydrate per hour, it sounds as simple as measuring heart rate. It is not. Measuring exogenous carbohydrate oxidation, a method sometimes referred to as 13C carbohydrate oxidation or carbon-13 breath tests, requires a deeper understanding of biochemistry, physiology, and stable isotope tracer methodology. Carbon-13 testing services are now also offered commercially, but they all use shortcuts to make them eas
Asker Jeukendrup
18 min read


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


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 and females make it unclear whether females need different exercise and nutrition advice than their male counterparts. In this blog we will highlight the metabolic differences in fuel storage and utilization between males and females and what these differences may mean for female athletes. Females store and use more fat in skeletal muscle Loo
Michaela Devries
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? Could this enhance performance? These are the questions posed by a recently developed sport supplement containing hydrothermally modified starch. What is hydrothermally modified starch? Starches are the primary storage form of carbohydrate in plants. They can be found in potatoes, legumes, fruit, wheat, corn, etc. Interestingly, food scienti
Daniel Baur and Mike Ormsbee
5 min read


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


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


Recovery for the endurance athlete with Type 1 Diabetes
Many people living with type 1 diabetes live an active lifestyle, and there are numerous examples of individuals achieving incredible...
Sam Scott
4 min read


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


Fluid balance and intake in professional soccer players
A new article was published (1) with insights about sweat losses, and intake patterns of FC Barcelona players during different training...
Ian Rollo
4 min read


Importance of exercise for people with diabetes
More and more people with type 1 diabetes are active and there are now a number of individuals living with type 1 diabetes competing at...
Sam Scott
6 min read


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


Does fish oil build muscle?
Fish oil is often promoted for muscle building. This blog looks at what the studies show in young trained adults, during energy restriction and in older adults.
Olly Witard
10 min read


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


What it takes to run a sub 2 marathon
This week a unique paper was published in the Journal of Applied Physiology. Professor Andrew Jones and his team (1) reported on the...
Asker Jeukendrup
3 min read


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


UEFA expert group statement on nutrition
The UEFA expert group statement on nutrition in elite football (1) has now been published. After many months of hard work, a sizeable...
Asker Jeukendrup
4 min read


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


WE Nutrition Conference will return!
The second WE conference is on its way. 5 and 6 December! Sports nutrition updates from the best! Reserve your place as places are limited.
Asker Jeukendrup
3 min read


The sweet taste of success: Fructose for recovery in multi-stage races
Resynthesis of liver and muscle glycogen respond differently to different types of carbohydrate. This may have implications for performance.
Javier T. Gonzalez
4 min read
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