More Salt Isn't the Answer: Summer Fueling and Hydration w/ Stevie Lyn Smith

It's getting hot out there, and your fueling and hydration plan needs to keep up. Registered dietitian and board-certified sports nutritionist Stevie Lyn Smith (fresh off running 460-ish miles from Buffalo to Brooklyn, as one does) joins Coach Nick and Coach Amanda to break down what actually changes when the temperature climbs.

We get into why more electrolytes isn't automatically better, the real reason carb-based sports drinks help you absorb water faster, and how to run a simple sweat test at home so you can stop guessing. Stevie walks through her own half Ironman fueling strategy (carbs, caffeine timing, and cooling tricks included), what to grab on course when your gut says no to one more gel, and how to think about caffeine dosing without ending up with heart palpitations on the treadmill.

Then we go down a couple of rabbit holes you asked for: iron and ferritin (when to supplement versus when to dig into the why), and peptides (spoiler: the human research is thin, and we aren't rats). Evidence-based, occasionally unhinged, zero filler. Exactly how you like it.

Find Stevie on Instagram, stevielynrd.com, and on her podcast Real Fuel with SLS. Grab her book Power Up: A Young Woman's Guide to Winning with Sports Nutrition wherever books are sold.

Amanda IG

Nick IG

Email - Hello@runningexplained.com

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