Fueling Endurance - Nutrition for Runners, Cyclists & Triathletes

Episode 99 - How much sodium should I take before, during, and after exercise?


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There’s been a lack of clear guidelines around how much sodium to take before, during and after exercise, to optimise health and performance. That created a vacuum, which anyone with a vested interest was more than happy to fill with suggestions. But we’re now getting to the stage where we can make some more specific, quantifiable recommendations about sodium for endurance athletes, before, during and after exercise. I had the privilege of being invited to put these recommendations together, so in this episode, I’ll walk you through them.  

 

Timestamps:

02:37 - Do athletes need more sodium on a day-to-day basis?

14:42 - Sodium before exercise

25:25 - Sodium during exercise

44:32 - Sodium after exercise

49:28 - TLDL: Summary

52:13 - Unanswered questions

 

Read the research paper (open access):

McCubbin AJ. Sodium intake for athletes before, during and after exercise: review and recommendations. Performance Nutrition. 2025; 1:11. doi: https://doi.org/10.1186/s44410-025-00011-9

 

Fueling Endurance eBook | T -12 Race Nutrition Course | Practitioner Resources

The Fueling Endurance eBook contains answers to 49 of the most common nutrition questions that runners, cyclists and triathletes ask, and contains insights, tips, and quotes from experts and athletes.  The T -12 self-guided course will help prepare you for your next event, with online tools, guides, information and instructions to take you through the 12 weeks leading up to race day. And the Fueling Endurance Practitioner Membership provides access to online tools and calculators I use all the time when working with endurance and ultraendurance athletes. This includes working out the carbohydrate needs for runners (road and trail) and cyclists for different types of training sessions. For more into on each of these, check out fuelingendurance.com.

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Fueling Endurance - Nutrition for Runners, Cyclists & TriathletesBy Alan McCubbin

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