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PODCAST

The Eat for Endurance Podcast

Claire Shorenstein, MS RD CSSD

The food you put into your body has a massive impact on how you perform in your athletic training and everyday life.Sports Dietitian and distance runner Claire Shorenstein explores the connection between nutrition, performance, and health for busy, active people. Tune in for evidence-based guidance, inspiring athlete stories, and practical tips on a wide variety of nutrition topics to fuel better, crush your endurance goals, and thrive as a human being.For additional free nutrition resources plus

health & fitness nutrition

All Episodes

54:37

Is Your Vitamin D Holding You Back?

The Eat for Endurance Podcast ·

2026/10/08

Low vitamin D can leave you more prone to bone injuries and illness, and it's more common in athletes than you might think. Few foods are good sources, and making enough from sunlight isn't a given, especially as the days get shorter.In episode 147 of The Eat for Endurance Podcast, sports dietitian and researcher Kelly Pritchett, PhD, RD, CSSD, joins me to talk about: Why vitamin D matters for bone health, muscle function, immunity, and athletic recoveryThe best food sources of vitamin D,

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74:04

Meal Prep for Busy Athletes: Simple Strategies to...

The Eat for Endurance Podcast ·

2026/09/24

Meal prep is a great way to make busy weeks easier, but it doesn’t have to mean spending your entire Sunday cooking identical, boring meals or blowing through your entire budget in one grocery haul. In episode 146 of The Eat for Endurance Podcast, sports dietitians Sandra Frail and Kiana Gibson of No Sweat Nutrition join me to talk about meal planning and meal prep for active people, and ways to save money on both everyday and performance nutrition.Sandra, Kiana, and I discuss:The difference

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46:41

Amanda Brooks on Ditching Diet Culture and...

The Eat for Endurance Podcast ·

2026/09/10

Nutrition can be complex and personal, especially for athletes. Many people absorb misguided messaging about "good" and "bad" foods and what your body should look like, and lose sight of what's actually important for performance and overall health.In episode 145 of The Eat For Endurance Podcast, longtime runner and experienced run coach Amanda Brooks joins me to talk about shifting her focus from restricting food to fueling more freely, resulting in stronger runs and a

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60:20

Can You Trust AI for Nutrition Advice?

The Eat for Endurance Podcast ·

2026/08/27

AI is everywhere these days and more and more people are turning to ChatGPT and other AI tools for nutrition and fueling advice. While AI can be incredibly useful for things like brainstorming meal ideas or collecting general nutrition information, it's not a substitute for individualized nutrition or medical advice.In episode 144 of The Eat for Endurance Podcast, Sports Dietitian Jessica Isaacs, MS, RDN, joins me to talk about AI and nutrition, including:Why athletes are increasingly turning

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28:38

7 Ways Sports Nutrition Has Changed Since I Started...

The Eat for Endurance Podcast ·

2026/08/12

Seven years ago, I hit publish on the very first episode of The Eat for Endurance Podcast. At the time, elite athletes weren't talking as openly about how they fueled for training and racing, and the sports nutrition product market was only a fraction of its current size. In episode 143 of The Eat for Endurance Podcast, I reflect on 7 ways the sports nutrition world has shifted since I started my show back in 2019. I share the big themes I've observed, what I think we've gotten right,

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55:28

Fiber for Athletes: Timing, Gut Health & How Much You...

The Eat for Endurance Podcast ·

2026/07/30

Fiber has been having a moment lately. With social media trends like “fibermaxxing" on the rise and countless fiber-rich products hitting the market, it’s easy to get the misguided message that more is always better. So...how much fiber do athletes actually need?In episode 142 of The Eat for Endurance Podcast, fellow Sports Dietitian Angie Dye, MS, RDN, CSSD, joins me to answer that question and explain how to include fiber to support health without sabotaging your training.Angie and I

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86:18

Are GLP-1s Safe for Athletes?

The Eat for Endurance Podcast ·

2026/07/16

Many athletes are not good candidates for GLP-1s. But for some, these medications can be a useful tool.In episode 141 of The Eat for Endurance Podcast, I'm joined by fellow Sports Dietitian and endurance athlete Jennifer O'Donnell-Giles, MS, RDN for the final installment of my GLP-1 mini-series. Jenn brings 27 years of clinical experience to this conversation, along with a perspective that's evolved a lot over the past few years.Jenn and I discuss:How natural GLP-1 production can

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92:18

Your Iron Questions, Answered: Everything Athletes...

The Eat for Endurance Podcast ·

2026/07/02

Iron deficiency is one of the most misunderstood nutrition issues affecting active people, and it's a lot more complicated than a single lab value.In episode 140 of The Eat for Endurance Podcast, I'm joined by fellow Sports Dietitian Callie Roseland, MS, RDN, CSSD to break down everything you need to know about iron and ferritin as an active person.Callie and I discuss:The difference between iron deficiency and anemiaWho's most at riskCommon signs and symptoms of low iron and

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73:57

Grayson Murphy on Crohn's Disease, Performance...

The Eat for Endurance Podcast ·

2026/06/11

First, a huge congratulations to Grayson and her husband on the recent birth of their daughter, Violet! At the time of recording, she was just days away from becoming a first-time mom, and I couldn't be more excited for them.In episode 139 of The Eat for Endurance Podcast, I’m joined by professional trail runner and two-time World Mountain Running Champion Grayson Murphy.Grayson has dealt with her fair share of challenges as an athlete, including an eating disorder in high school, years of

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90:51

What Is Food Noise? A Dietitian's Personal Experience...

The Eat for Endurance Podcast ·

2026/05/28

GLP-1 medications are taking the world by storm, but the conversations surrounding them can lack nuance. That’s why I’m doing a 3-part podcast series with three different dietitians all about these drugs.ICYMI, we kicked things off with GLP-1 Medications: What Active People Need to Know.The series continues in episode 138 with Summer Kessel, RD, CSOWM, a Certified Specialist in Obesity and Weight Management and GLP-1 nutrition expert. Summer also has personal experience taking GLP-1s herself, which

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76:53

Why Endurance Athletes Struggle with GI Issues (And...

The Eat for Endurance Podcast ·

2026/05/14

In episode 137 of The Eat for Endurance Podcast, I’m joined by Sports Dietitian Kylee Van Horn, RDN for a deep dive into one of the most common (and frustrating) challenges endurance athletes face… GI issues.From nausea and vomiting to bloating, cramping, and diarrhea, GI symptoms can seriously impact training, racing, and confidence around fueling. The tricky part? It’s usually not just one thing causing the problem.Kylee and I discuss:Why GI issues are so common during endurance exerciseThe

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86:29

How Much Protein Should Athletes Actually Eat?

The Eat for Endurance Podcast ·

2026/04/30

In episode 136 of The Eat for Endurance Podcast, I’m joined by Holley Samuel MEd, RD, CSSD, CPT to break down one of the most talked-about topics in the nutrition world right now… protein!From social media trends to grocery store shelves, protein is everywhere these days. And while it is essential for performance, recovery, and overall health, the messaging around it has left a lot of athletes confused about how much they actually need.In this episode, we cut through the noise and bring the

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67:17

GLP-1 Medications: What Active People Need to Know

The Eat for Endurance Podcast ·

2026/04/16

GLP-1 medications are everywhere right now, but the conversation around them often lacks nuance and is rarely discussed through the lens of active people. That’s exactly why I’m doing a 3-part podcast series all about GLP-1 medications, with athletes in mind.In this series, you’ll hear from three dietitians who regularly work with GLP-1 agonists and each bring a unique clinical and personal perspective to the conversation.I'm kicking things off in episode 135 with Courtney Smith, MS, RD, CDCES,

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48:22

From PowerBar to JAMBAR: Jennifer Maxwell on Fueling...

The Eat for Endurance Podcast ·

2026/04/02

What happens when your identity as an athlete evolves, but your passion for movement, innovation, and challenge stays the same?In episode 134 of The Eat for Endurance Podcast, I’m joined by Jennifer Maxwell, co-founder of PowerBar and creator of JAMBAR, to talk about running, entrepreneurship, fueling a large, active family, and finding new passions later in life.Jennifer helped launch the global bar category back in 1985 with her husband, long before fueling strategies became a core part of

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65:50

Why Thyroid Health Matters for Athletes

The Eat for Endurance Podcast ·

2026/03/19

What if your low energy or stubborn performance plateau have little to do with your training, and everything to do with your thyroid?In episode 133 of The Eat for Endurance Podcast, I’m joined by Katie Morra, MS, RD, LDN, IFMCP, to talk all about thyroid health for athletes. Katie is a Registered Dietitian and former Division 1 athlete who specializes in complex chronic illness. Her practice, Gut Honest Truth, focuses on the identification and treatment of root causes behind chronic inflammatory

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61:05

Sports Nutrition Trends for 2026: What’s In, What’s...

The Eat for Endurance Podcast ·

2026/03/05

With so many new sports nutrition brands and supplements hitting the market each year, how do you know what’s actually worth using?In Episode 132 of The Eat for Endurance Podcast, I’m joined by Sports Dietitian Meghann Featherstun of Featherstone Nutrition for a timely conversation about sports nutrition trends for 2026. After attending The Running Event (TRE), Meghann brings a behind-the-scenes perspective on where performance fueling seems to be headed, which products stood out, and what felt

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72:02

Why Zach Bitter Went High Carb After 14 Years of Low...

The Eat for Endurance Podcast ·

2026/02/19

What if the fueling strategy you’ve followed for years is no longer the one that best supports your performance?In Episode 131 of The Eat for Endurance Podcast, I’m joined by elite ultrarunner and coach Zach Bitter for a thoughtful conversation about his experience with both low and high carb fueling.After following a low carb diet for 14 years, including when he broke the World and American Records in the 100-mile distance, he decided to change course and try high carb fueling. It's been 8

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53:20

(Re-Release) “Skinny Doesn’t Win Races”: Jessie...

The Eat for Endurance Podcast ·

2026/02/12

“Healthy, happy, and balanced athletes are the ones that make it across the finish line again and again throughout a long career and leave a legacy.” — Jessie DigginsJessie Diggins is currently competing in her fourth and final Winter Olympics in Milan-Cortina. I interviewed her back in January 2021, just one week after her historic Tour de Ski win on some of the same Italian mountains she's skiing on now. Since our recording, Jessie has become the most accomplished cross-country skier from the

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75:14

How to Stay Healthy as an Athlete This Season

The Eat for Endurance Podcast ·

2026/02/05

Wondering what you can realistically do to stay healthy during training, travel, and sick season? That's what Laura Ligos, RD (aka The Sassy Dietitian) and I chat about in Episode 130 of The Eat for Endurance Podcast. This episode is not about immune “hacks” or doing more. Instead, we break down what actually supports immune health from a nutrition and lifestyle perspective, and explore where athletes often get tripped up when training, underfueling, poor sleep, and life stress stack up.Laura

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82:22

Joe Corcione on Addiction, Recovery, and Everyday...

The Eat for Endurance Podcast ·

2026/01/22

In Episode 129 of The Eat for Endurance Podcast, I’m joined by ultrarunner, coach, and host of The Everyday Ultra Podcast, Joe Corcione. Joe’s story is not the typical “natural-born athlete” narrative. He wasn't active growing up, and he struggled with drugs and alcohol as a teenager and young adult. With a willingness to do the work (both physically and mentally) and make small changes, Joe gradually became sober and reshaped his identity. He went on to finish over 25 ultramarathons, coach

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69 results

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