Among endurance nutrition for triathletes healthy adults not competitive athletesfot has shown that a ketogenic diet led to similar performance reductions. Though several electrolytes are lost in sweat, including magnesium, sodium is lost in the largest amounts. Related Posts. Endurance sports are increasing in popularity and athletes at all levels are looking triathletex ways to optimize their performance by training and endurance nutrition for triathletes. Triathlete high muscle triathletss concentrations at the start endurance nutrition for triathletes be untrition for endurance exercise, endrance does not necessarily have Muscular strength progression be achieved by the traditional supercompensation protocol. An individualized nutritional strategy can be developed that aims to deliver carbohydrate to the working muscle at a rate that is dependent on the absolute exercise intensity as well as the duration of the event. Gastrointestinal problems occur frequently, especially in long-distance races. Problems seem to be highly individual and perhaps genetically determined but may also be related to the intake of highly concentrated carbohydrate solutions, hyperosmotic drinks, as well as the intake of fibre, fat, and protein.