The Athlete's Guide to Iron: Testing, Deficiency and Performance - Rachel Arthur
From The PILLAR Performance Podcast by PILLAR Performance
March 5, 2026 · 1h 8m
About this episode
Rachel Arthur discusses the critical role of iron in athletic performance and health, covering testing, deficiency, and supplementation strategies.
In this episode, Rachel Arthur demystifies the complex role of iron in the body, emphasizing its importance for athletes and the general population alike. Whether you're curious about testing, supplementation, or understanding your blood markers, this conversation offers practical insights grounded in science. Key Topics Covered: The critical functions of iron in oxygen transport, energy production, and immunity Who is at risk of iron deficiency, including athletes, women, and children The unique challenges in iron testing: timing, fasting, and interpreting blood markers The nuanced roles of transferrin, transferrin saturation, and ferritin in assessing iron status Genetic factors influencing iron absorption, such as hereditary hyperabsorption Practical strategies for iron supplementation, including diet and supplement timing The potential pitfalls of iron overload and the importance of personalized testing The fascinating and somewhat mysterious process of ferritin regulation and release Recommendations for routine blood testing and interpreting results accurately Timestamps: (00:00) - Introduction to Rachel Arthur and her expertise in iron metabolism (02:11) - Why iron is a…
People in this episode
Guest: Rachel Arthur
Topics covered
- iron deficiency
- athlete health
- blood markers
- iron testing
- supplementation
- nutrition
Keywords
- iron
- athletes
- deficiency
- blood testing
- supplementation
- ferritin
- transferrin
- nutrition
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