SPORTS NUTRITION | RED-S Ep. 1: Fueling World Tour Riders, Understanding RED-S, and Optimizing Nutrition

CASTELLI Cycling Podcast

Welcome to today’s episode, where we’re diving deep into the critical topic of Relative Energy Deficiency in Sport (RED-S) with sports nutritionist Dani Hofstetter. Many cyclists unintentionally underfuel, risking issues like low energy availability, hormonal imbalances, and decreased bone density. Around 80% of athletes face this problem, affecting performance and health.

Dani will walk us through personalized nutrition plans, micronutrient density, and strategies for different training sessions. We’ll also explore a case study on pro cyclist Georgie Howe from the Tour de France Femmes, and much more.

Let’s dive in!

CHAPTERS

00:00 Intro and Overview

02:48 Understanding RED-S

05:46 Differences Between RED-S and the Female Athlete Triad

08:59 Hormonal Imbalances and Their Consequences

11:51 The Role of Metabolism in Athletic Performance

15:09 Bone Health and Energy Availability in Athletes

18:01 Measuring Energy Expenditure and Intake

20:56 Signs and Symptoms of RED-S

24:10 Nutrition Strategies for Athletes

27:02 Long-term Consequences of RED-S

30:12 Case Study: Georgie Howe and Energy Deficit Performance

32:57 Challenges in Diagnosing RED-S

35:48 The Importance of Tailored Nutrition Plans

39:05 Micronutrient Density and Athletic Performance

41:49 Bone Density Scans and Monitoring Health

45:06 Treatment Approaches for RED-S

46:00 Ending

IMPORTANT LINKS

RED-S Study: Escape Collective

Researchgate Study

Full Paper, click here.

RED-S Symptoms Overview

– GUEST –

Dani Hofstetter has been fueling champions for over 20 years. He holds the IOC Diploma in Sports Nutrition, awarded by the International Olympic Committee as part of the IOC Medical and Scientific Commission program. Throughout his career, he has worked with a wide range of athletes, from World Tour cyclists to mountaineers and amateur cyclists.

Dani is also an ultra-cyclist and coach based near Zurich, Switzerland, focused on simplifying nutrition and helping athletes avoid fad diets. You can find Dani’s contact details below.

CONNECT

⁠⁠Dani Hofstetter bio⁠⁠

⁠⁠LinkedIn⁠⁠

⁠⁠Instagram⁠⁠

⁠⁠Strava⁠⁠

– HOST –

Søren Jensen, Global Marketing Manager at Castelli, has worked for this iconic brand since 2006. He usually rides backroads and dirt trails, testing new gear in the Italian Dolomites. If you can't find him there, check the Castelli Headquarters in Fonzaso.

CONNECT ⁠

⁠⁠⁠LinkedIn⁠⁠⁠⁠

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