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Fast Talk

Fast Talk Femmes Podcast: Ketone Supplementation and Performance Optimization with Dr. Peter Hespel

Nov 28, 2023
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.
01:31:15

Episode guests

Podcast summary created with Snipd AI

Quick takeaways

  • Ketone ester supplementation can enhance recovery and endurance performance in endurance athletes after intensive training.
  • Ketone esters do not significantly improve performance in high-intensity exercises lasting between 15 to 30 minutes, and can actually hinder performance due to increased acidosis and reduced glycolysis.

Deep dives

Improving Recovery in Endurance Athletes with Ketone Use

In a study conducted by Dr. Peter Huesbill, the use of ketone esters was found to enhance recovery in endurance athletes after intensive training. The study involved cyclists subjected to three weeks of high-volume training, with half of the participants receiving ketone esters and the other half receiving a placebo. Participants who took ketone esters showed better performance in time trials and long endurance tests, with an average improvement of 15%. Furthermore, they were able to maintain energy balance and increase carbohydrate intake, which positively affected their endurance performance. However, it is important to note that these benefits were observed in the context of intense training and may not extend to recreational athletes or those with less demanding training regimens.

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