We have a special guest host this week, Kristi Storoschuk joins the podcast again to help David while Xylon is away. After a listener question on fueling they jump into some research. They discuss some fascinating papers including the impact of heat on carbohydrate and glycogen utilisation rates, the effects of a 7 day fast on performance and a paper looking at whether endurance athletes have more daughters. They then step into Kristi’s world and look at a paper on mitochondria and why they are more than just the powerhouses of the cell! 

(00:00) Introduction

(00:44) Medical Question

(01:40) Kristi’s Madeira Trip

(02:38) Kristi’s PhD Update

(03:29) Kristi’s Training Update 

(06:01) Community Shoutouts Listener Question on Fueling

(13:21) Heat and Dehydration’s Impact on Carbohydrate & Glycogen Use 

(24:10) Effect of Sport on Sex of Offspring

(32:04) Performance Impacts of 7 Days of Fasting

(45:04) Mitochondria

Thanks to Precision Fuel and Hydration for their sponsorship, use the link below to get 15% off your first order and support the podcast: 

https://visit.pfandh.com/theonepercentbetterpodcast

If you’re unsure how which products to use or how to plan your race nutrition check out Precision’s Fuel & Hydration Planner (if you follow this you will have your discount applied automatically on your first order too): 

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Thanks also to Stryd for their sponsorship, check out Stryd:

Stryd helps you optimize your training and racing by measuring your running power, providing real-time data to improve efficiency, pace, and performance on any terrain. Plus, it integrates seamlessly with your favorite running watch for real time guidance! Go to https://stryd.live/opb to export Stryd’s cutting-edge technology and how it can empower your run.

Review on Carbohydrate & Glycogen Use in Heat 

https://link.springer.com/article/10.1007/s40279-025-02294-3 

Article on Sports and Sex of Children

https://www.nature.com/articles/s41598-025-05445-8 

Article on 7 Days of Fasting Performance

https://www.nature.com/articles/s41467-024-55418-0

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