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Iron infusion or injection for athletes
Iron deficiency is a prevalent issue among athletes, which can significantly affect training consistency and performance if left...
Peter Peeling, Nikita Fensham, and Alannah McKay
5 min read


Effects of protein during exercise
One year ago, a very good friend and respected colleague passed away, way too young. Kevin Tipton was loved by many and had a great...
Asker Jeukendrup
3 min read


A hot tub for bigger muscles?
Should we heat our muscles after exercise to stimulate muscle growth? In a recent blog (see blog post) we discussed some of the research...
Cas Fuchs
3 min read


An ice bath for muscle growth?
You have probably seen footage of well-built athletes such as Usain Bolt, Anthony Joshua, or Cristiano Ronaldo that have immersed (parts...
Cas Fuchs
5 min read


Is sleep quality more important than sleep duration for preventing infections?
Sleep is generally accepted as a focal part of the recovery process for athletes and believed to be important to performance. Many...
Asker Jeukendrup
3 min read


Is it better for muscle building to eat eggs raw?
This questions has been around for many years and even made it to the movie Rocky. No studies were available to confirm or dismiss this...
Cas Fuchs
4 min read


Ice slush: effects, benefits and evidence
Ice slush, or slurry, is a very low temperature (0-1 °C) drink made with blended ice and liquids. Although popular as ‘slushies’ and...
Asker Jeukendrup
5 min read


Making weight in sport
Making weight is a global term for the targeted reduction of body mass, which is purported to enhance performance in aesthetic,...

Carl Langan-Evens
4 min read


Do athletes need fish oil supplements?
In a previous blog we covered briefly what fish oil is and what omega 3 fatty acids are. We also looked at some health claims. Here we...
Nathan Lewis
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


Top 5 protein metabolism publications by Kevin Tipton
On January 9, 2022, Dr Kevin Tipton passed away. I have written a tribute (click here) to describe my stories and memories of many years...
Asker Jeukendrup
6 min read


Creatine and its effects on performance
This post describes the effects of creatine on performance. It is simply a summary of current scientific understanding.
Asker Jeukendrup
5 min read


Does overtraining reduce mitochondrial function and glucose tolerance?
A recent paper (1) studied how a progressively increasing training program affected various measures of health and performance. It...
Asker Jeukendrup
4 min read


What causes muscle cramps in exercise?
Muscle cramping during exercise is a common problem among athletes that involves sudden, involuntary and painful muscle contraction...
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


Cannabidiol (CBD): Claims, risks and unanswered questions
Background Cannabis is a herbaceous plant that is perhaps best known for its role as a recreational drug. There is however growing...
Graeme Close and Andreas Kasper
6 min read


Timing of iron intake: Tips to maximise absorption
Iron plays an important role in several exercise-relevant processes such as red blood cell production, and energy metabolism, whilst also...

Peter Peeling
4 min read


Presleep protein does not make you gain fat
guest blog by: Michael J. Ormsbee, Lillie Renteria, and Casey Greenwalt. Most people believe eating before sleep makes you accumulate fat...
Mike Ormsbee
3 min read


HMB magic muscle building supplement or waste of money?
β-hydroxy-β-methylbutyrate (or HMB) is a popular muscle building supplement. HMB is a metabolite derived from the essential amino acid...
Asker Jeukendrup
5 min read


Can omega 3s “muscle in” on protein synthesis rates?
There are many claims now that omega-3 fatty acids can optimise muscle building. But what are the claims based on? is there evidence? The...
Olly Witard
4 min read
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