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This week, Zoë and Kylee dig into one of the most misunderstood topics in endurance sports: RED-S, Relative Energy Deficiency in Sport. We break down what it actually is (spoiler: it’s not just “overtraining”), how to recognize early warning signs, and what the latest science says about recovery.

From the old-school concept of the female athlete triad to the 2024 “Does RED-S Exist?” paper, we trace how the conversation around under-fueling has evolved, and why so many athletes are still falling through the cracks. We’ll unpack how RED-S affects everything from hormones and metabolism to bone density, mood, and performance, and why it doesn’t just happen to women or elite runners.

This episode separates evidence from internet rumor and offers real talk on what it takes to recover: eating enough, resting enough, and understanding that being tired, cold, and cranky isn’t “just part of training.” Whether you’re an endurance athlete chasing PRs or someone just trying to feel good in your body again, this one’s for you.

Tailwind → tailwindnutrition.com, code YOURDIET20 = 20% off first order.
Janji → janji.com, code YDS = 10% off first order.
Microcosm Coaching → ⁠microcosm-coaching.com⁠, book a free consultation call.

126: {Best of} Crash and Learn: Jenna Kutcher