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Running
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Coach Loretta and Coach Lindsay are joined by Shannon O'Grady, CEO of Gnarly Nutrition, for a deep dive into the science behind fueling performance. From NSF certification—and why it matters for athletes—to breaking down the roles of carbohydrates, protein, and creatine, this episode gets nerdy in the best way. Whether you're a runner looking to optimize your nutrition or just curious about what actually works (and what's hype), this conversation delivers both expert insight and practical takeaways you can apply right away.
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"Fueling Science: Carbs, Protein, and Creatine with Gnarly Nutrition CEO Shannon O'Grady" is an episode of "The Dirt" Trailrunning Podcast. Runtime 58 min. Published May 29, 2026. Hit play above to stream it here, or open the free Spot Sports app for background play and offline downloads.