The Improvement Lab

Is Your Metabolism “Broken”? Here’s the Science-Based Truth


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As a dietitian and personal trainer, I’ve seen countless women struggle with low energy, plateaus, and hormone imbalances—often thinking their metabolism is “broken.” Spoiler: it’s not. It’s just adaptive. And it’s time to work with your body, not against it.


In this episode we’ll walk through the science of metabolism (in a way that actually makes sense), calculate real calorie needs using a real-life example, and give you the tools to fuel your body without diet culture BS or expensive supplements.

🎧 What You’ll Learn in This Episode:

  • What metabolism actually is—and the 4 components that make it up

  • How to calculate your real calorie needs (BMR vs. TDEE explained)

  • Why so many active women are under-eating without realizing it

  • Signs your body might be under-fueled or over-stressed

  • How to support your metabolism naturally (no gimmicks required)

  • A real-life example of a woman’s calorie needs based on her stats

  • Why metabolism isn’t broken—it’s adaptive (and how to work with it)

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The Improvement LabBy Jaclyn Bendt