Correct fuelling during endurance events will prolong the time to fatigue and ensure that athletes are able to perform consistently and to their potential. Slow release carbohydrates slow down gastric emptying and could lead to GI issues. The focus should be on a glucose-fructose mix of 2:1 adding up to a total of 90g per …
Electrolytes help the body to maintain fluid balance in and outside the cells. The adult human body consists of about 60% water and it is therefore critical to stay hydrated, especially with the demands of endurance events. Electrolytes are NOT fuel, you need to take on carbohydrates for the purpose of fuelling your muscles.
Cutting out any food group is a bad idea. Fuelling with a wide variety of high quality food is essential for athletes to perform and recover sufficiently.