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August 9, 2025 38 mins

Isotonic, real food, maltodextrin, sugar-free, and high-sodium: if you have recently shopped for running gels, you likely have seen these terms and more on the labels. We sit down with sports dietitian Kylee Van Horn to understand the labelling on your sports nutrition products and how to pick the best running gel for you.


Thank you to our sponsors:

Tailwind: Complete sport nutrition made simple, including hydration mixes, high-carb sport drinks, endurance fuel, and recovery mixes. Use code TREADLIGHTLY20 at ⁠https://tailwindnutrition.com/TREADLIGHTLY⁠ for 20% off your first purchase.

 ✨ Upstep: Custom orthotics, molded from the comfort of your home. Use code RUNTOTHEFINISH at ⁠https://www.upstep.com/?ref=cajmuang⁠ for $20 off your purchase.

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You will learn:

✅ What’s actually in low-sugar gels - and do they work?

✅ How to identify non-nutritive sweeteners on your gel label

✅ Understanding the types of carbohydrates and glucose:fructose ratios

✅ Understanding hyrogels, isotonic gels, and other gel formulations/textures

✅ What claims of “clean” and “natural” ingredients actually mean

✅ How to find gels that are easy on your gut

✅ Do you need to have electrolytes in your gels?


About our guest:

➡️ Kylee Van Horn is an endurance sports dietitian based on Carbondale, CO. She is a published author and co-host of the Your Diet Sucks podcast. Since 2022, she has worked with hundreds of endurance athletes at Fly Nutrition, helping them improve their performance, heal their relationship with food, and overcome GI issues.

➡️ You can connect with Kylee at @flynutrition3 on Instagram and at https://flynutrition.org/.


Let’s stay connected:

➡️ Join our community at patreon.com/treadlightlyrunning

➡️ Tread Lightly Running Podcast on Instagram: https://www.instagram.com/treadlightlyrunning/

➡️ Laura Norris Running on Instagram: https://www.instagram.com/lauranorrisrunning/

➡️ Hundreds of evidence-based training tips on Laura’s website: https://lauranorrisrunning.com/

➡️ Run to the Finish on Instagram: https://www.instagram.com/runtothefinish/?hl=en

➡️ Thousands of running gear reviews and training guides:https://runtothefinish.com/

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