Many people believe metabolism is simply a matter of calories in versus calories out. But if that's true, why can two people eat the same amount of food, weigh the same, and exercise the same amount, yet experience completely different levels of energy, recovery, hunger, hormone health, and body composition?
In this episode, we're diving into one of the most overlooked concepts in nutrition and metabolism: energy availability. You'll learn why your body doesn't just track calories—it continuously evaluates whether enough energy is available to support essential functions like hormone production, thyroid health, recovery, immune function, and daily activity.
We'll discuss:
What energy availability actually means
Why calories alone don't tell the whole story
The role of ATP, glycogen, and stored energy
How the brain gathers information about your energy status
Why chronic dieting can lead to fatigue, stalled progress, and metabolic adaptation
The connection between carbohydrate intake, recovery, and energy expenditure
What NEAT (non-exercise activity thermogenesis) is and why it matters
Why some people feel and perform better when they start eating more
If you've ever wondered why your body seems to resist your efforts despite eating less and exercising more, this episode will help you understand the metabolic signals happening behind the scenes.
This is Part 1 of a two-part series on energy availability and metabolism.
Work with me at Nourish (covered by insurance, often $0): https://signup.nourish.com/providers/shara-perry?referralSource=Nourish+dietitian&referralName=Shara+Perry&utm_source=Nourish_dietitian&utm_term=Shara_Perry
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