Iron for Active Women: Ferritin, Hepcidin, and What Your Blood Work Is Really Saying with Kristen Arnold, MS, RDN, CSSD (Episode 296)

Iron is one of the most-requested topics in the Hit Play Not Pause community, and it's one of the most confusing. Sports dietitian Kristen Arnold, who works with pro teams and everyday athletes, returns to explain what iron does and why you can have symptoms from low iron long before you're anemic. She also covers how our needs change after menopause and how new ferritin thresholds from the American Society of Hematology reset the old, far-too-low targets. We get into the full iron panel, hepcidin, heme vs. non-heme foods, every-other-day supplementing, when an IV makes sense, and why altitude calls for a bigger buffer. We also look at what the popular Iron Protocol gets right and where it goes beyond the evidence.

Kristen Arnold, MS, RDN, CSSD, is a board-certified sports dietitian, cycling coach, and retired professional athlete. She has practiced sports dietetics since 2015 through her private practice, Sports Nutrition for Women, where she and her team of qualified, compassionate practitioners work with athletes and teams ranging from recreational to professional and Olympic-level. Kristen’s work centers on empowering active women across the lifespan through evidence-based sports nutrition education and individualized coaching. She has worked with hundreds of athletes and teams and currently serves as a team nutritionist for EF Pro Cycling, a UCI WorldTour team. She is also a first author on peer-reviewed research examining targeted nutrition strategies to support the health of postmenopausal women. Kristen regularly speaks on podcasts and contributes to publications on sports nutrition, with a particular focus on women’s health, endurance performance, and nutrition across the lifespan.

Resources:

New guidelines for iron deficiency

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