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ZOE Science & Nutrition

Recap: We need to talk about metabolism | Shawn Stevenson & Tim Spector

ZOE Science & Nutrition

ZOE

Nutrition, Science, Health & Fitness, Education

4.65.6K Ratings

🗓️ 30 December 2025

⏱️ 15 minutes

🧾️ Download transcript

Summary

We often hear people talk about metabolism - whether it’s fast, slow, strong, or sluggish. It’s one of those health buzzwords that’s often said, but rarely understood. Yet understanding metabolism is essential. It influences how we process food, how much energy we have, and our risk of developing health conditions like diabetes, cancer, and heart disease. In this episode, Shawn Stevenson and Tim Spector cut through the confusion. Together, they’ll explain what metabolism actually is, and empower you to take control of yours. 🌱 Try our new plant based wholefood supplement - Daily30+ *Naturally high in copper which contributes to normal energy yielding metabolism and the normal function of the immune system 📚Books by our ZOE Scientists The Food For Life Cookbook Every Body Should Know This by Dr Federica Amati Food For Life by Prof. Tim Spector Ferment by Prof. Tim Spector Free resources from ZOE Live Healthier: Top 10 Tips From ZOE Science & Nutrition Gut Guide - For a Healthier Microbiome in Weeks  Better Breakfast Guide Have feedback or a topic you'd like us to cover? Let us know hereListen to the full episode here

Transcript

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0:00.0

Hello and welcome to Zoe Recap, where each week we find the best bits from one of our podcast episodes to help you improve your health.

0:09.0

We often hear people talk about metabolism, whether it's fast, slow, strong or sluggish. It's one of those health buzzwords that's often said, but rarely understood.

0:23.0

Yet understanding metabolism is essential.

0:26.9

It influences how we process food, how much energy we have,

0:31.7

and our risk of developing health conditions like diabetes, cancer and heart disease.

0:36.2

In this episode, Sean Stevenson and Tim Specter cut through the confusion.

0:42.3

Together, they'll explain what metabolism actually is and empower you to take control of yours.

0:48.3

I'd love to start right at the very beginning. Sean, what is metabolism and why does it matter?

0:51.3

From a rudimentary perspective, it's converting food into energy.

0:56.0

But that's looking at energy through this very isolated vanilla way.

1:00.2

You know, there's this entire microcosm of events.

1:03.7

And metabolism is really about the sum of all the different pieces that can create and generate energy and that feed into each other.

1:12.6

And for me, it's really based on that principle of energy cannot be created nor destroyed.

1:17.6

It can only be converted from one form into another.

1:21.6

And so this energy exchange, even if we're looking at that very vanilla version of it,

1:26.6

of food is creating energy, where

1:29.4

does the food come from?

1:30.9

What are the pieces and parts of the food that create the energy?

1:35.0

And there are other things besides food that are getting converted into energy for us as

1:39.0

well.

1:40.4

And whether that's body fat, whether that is, you know, oxygen and how it relates to all these

1:46.8

different pieces, there are literally millions of parts and inputs that determine metabolism.

...

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