Most replayed moment: The surprising science of weight loss | Alan Aragon & Professor Sarah Berry

ZOE Science & Nutrition

Today we’re talking about fat loss.

For decades, we’ve been chasing the perfect weight loss diet. From Atkins to carnivore, countless trends have promised remarkable results, yet fail the test of time.

So how do we cut through the noise and find a formula that actually works?

In this episode, I’m joined by nutrition researcher Alan Aragon and Professor Sarah Berry to unpack the science behind sustainable fat loss, and explain why, in some cases, the first step toward losing weight might actually involve gaining a little first.


🌱 Try our science-backed and tasty wholefood supplement Daily30

Get our brand-new app and Gut Health Test designed by world-leading gut health and nutrition scientists to build healthy eating habits 👉 Join ZOE

Follow ZOE on Instagram.


📚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

Good Mood Food (preorder) by Prof. Tim Spector


Free resources from ZOE

The Hormone Harmony Guide: Tuning Your Body’s Internal Orchestra

Eating for Better Brain Health: Your brain-gut blueprint

How to eat in 2026 - Discover ZOE’s 8 nutrition principles for long-term health

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 here.

Episode transcripts are available here.

More description

Today we’re talking about fat loss.

For decades, we’ve been chasing the perfect weight loss diet. From Atkins to carnivore, countless trends have promised remarkable results, yet fail the test of time.

So how do we cut through the noise and find a formula that actually works?

In this episode, I’m joined by nutrition researcher Alan Aragon and Professor Sarah Berry to unpack the science behind sustainable fat loss, and explain why, in some cases, the first step toward losing weight might actually involve gaining a little first.


🌱 Try our science-backed and tasty wholefood supplement Daily30

Get our brand-new app and Gut Health Test designed by world-leading gut health and nutrition scientists to build healthy eating habits 👉 Join ZOE

Follow ZOE on Instagram.


📚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

Good Mood Food (preorder) by Prof. Tim Spector


Free resources from ZOE

The Hormone Harmony Guide: Tuning Your Body’s Internal Orchestra

Eating for Better Brain Health: Your brain-gut blueprint

How to eat in 2026 - Discover ZOE’s 8 nutrition principles for long-term health

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 here.

Episode transcripts are available here.

2026-07-28 15 min
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