World-renowned sports scientist Dr. Peter Hespel discusses the potential benefits of ketone supplementation for athletes. Topics include ketone use in endurance sports, nuances of ketone use, GDF 15 as a marker of overtraining, effects of ketone esters on glycolysis and acidosis during exercise, ketone esters and exercise performance, impact of ketone esters on cognitive function, ketone supplementation in professional cycling, role of ketone use in superhuman performances, evolution of cycling and ketone supplementation research, and ketone supplementation for performance optimization.