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Podcast

Alex Larson

I'm a Minnesota-based dietitian who works with endurance athletes on fueling for performance and body composition. Host of the Endurance Eats podcast and obsessed with pancakes and Nerds Gummy Clusters.

alexlarsonnutrition.substack.comRSS feed ↗20 episodes

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Latest episodes

Iron and Ferritin - Supplementing Smart

Part 3 of the series - Diet, dose, formulation, and more. Here's what the research actually supports

Ferritin Low, Everything Else Normal: Now What?

Part II of the ferritin series! Let's dive into the labs and what you need to know about the bloodwork.

Ferritin: The Number No One Agrees On

Part 1 of 3, a series where we dive into the research on iron levels and endurance athletes

What's up with these broccoli sprout shots ads? Science says...

Another supplement product on the market, and down the research rabbit hole I went.

Fat as Fuel: Here's Why It's Not Your Primary Performance Fuel

Fat is an impressive energy source with real limitations. Here's what the science says about when, how, and why your body uses it during exercise.

What's the deal with these new lactate gels?

A science-first look at the latest fueling trend buzz of the Tour de France

How Muscles Create Energy From Fuel

From explosive sprints to long steady efforts, let’s break down the energy systems powering endurance performance.

Built to Move: Understanding Muscle Structure

Understanding what's inside a muscle fiber and why it matters for how you train and eat.

Calories are complicated, let's break it down.

What a calorie actually is, how we measure energy in and out, and why the number on the label is always an estimate.

More Than Muscle: What Protein Actually Does in the Body

A breakdown of protein's roles and what athletes need to know.

Is Creatine Still Safe at Higher Doses and Longer Use?

Part 3 of a 3-part series unpacking the latest creatine research

Lipids, Fats and Why the Seed Oil Debate Misses the Point

A deep dive into lipids, fatty acids, and why the most misunderstood macronutrient is quietly running the show behind the scenes.

Creatine for Women: What We Know So Far

Part 2 of a 3-part series unpacking the latest creatine research

We're starting with Carbs, of course.

A breakdown of carbohydrate structure, function, and more!

Fueling Field Notes: A Sports Dietitian's Study Journal

Here we go! I'm documenting my prep for a sports nutrition credentialing exam!

Creatine for Endurance Athletes: What the Newest Evidence Says

Part 1 of a 3-part series unpacking the latest creatine research

What's Happening Inside the Body After Crossing the Finish Line?

The science on post-race muscle damage, inflammation, and cardiac stress, and why race-day fueling matters just as much as recovery.

What Low-Carb Diets May Be Doing to Your Gut

A 2023 study measured the intestinal lining when endurance athletes cut carbs. Here's what they found.

Do carbs help build muscle?

A 2026 meta-analysis is making the rounds in the fitness and nutrition circles, let's talk about it.

Hot Take: Ignore calories burned on your sports watch

Your watch's calorie number is just a guess and here's the dietitian perspective that matters more.