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What do GLP-1 drugs like Ozempic, Wegovy and Mounjaro actually do? In Part 1 of this four-part series, Dr Federica Amati, Head Nutritionist at ZOE and author of The Appetite Reset, explains why 'appetite suppressant' is the wrong way to think about them. They amplify a fullness signal your own gut already makes, holding it for about a week rather than a couple of minutes. From there she takes apart the willpower story: how the brain's hunger centre is wired differently from person to person, how genetics and influences before birth shape it, and why that matters for anyone deciding whether to start, or stay on, one of these drugs.

KEY TOPICS
- Why these are effective medicines, and why so many people are set up to waste them
- Why so many people stop taking them, and what usually goes wrong
- Sarcopenic obesity: losing fat without keeping strength
- How GLP-1 drugs amplify the body's own satiety signal
- Why 'natural Ozempic' supplements cannot copy the drug
- The hypothalamus, genetics and why obesity is not a question of willpower
- Whether GLP-1s may be lifelong for some people
- Pregnancy, and why these drugs are not for women trying to conceive
- Transgenerational influences: the Dutch Hunger Winter and endocrine-disrupting chemicals

TIMESTAMPS
These are estimates and may shift in final editing.
0:00 Introduction
1:45 The opportunity being squandered
4:05 Why so many people stop
6:45 Sarcopenic obesity and who is most at risk
7:45 Not an appetite suppressant: the system these drugs amplify
10:05 Why 'natural Ozempic' supplements can't copy the drug
11:45 Brain wiring, and why obesity is not about willpower
14:35 Are GLP-1s lifelong for some people?
17:05 Pregnancy and the 'Ozempic babies'
19:45 Over a hundred genes: why siblings can differ
22:35 The Dutch Hunger Winter and endocrine disruptors
24:10 Coming up in Part 2

REFERENCES AND RESOURCES MENTIONED
- The Appetite Reset, Dr Federica Amati (Penguin Michael Joseph, 2026)
- Professor Giles Yeo, research on the genetics of obesity
- Professor Lucilla Poston, research on GLP-1 exposure in pregnancy
- Dutch Hunger Winter cohort studies

GUEST LINKS
- Website: https://federicaamati.com
- Instagram: https://www.instagram.com/dr.fede.amati/
- LinkedIn: https://www.linkedin.com/in/dr-fede-amati/
- ZOE:
https://zoe.com/en-gb?utm_medium=press&utm_source=website&utm_campaign=UK_app
- ZOE Daily30:
https://zoe.com/en-gb/daily30?utm_medium=press&utm_source=daily30&utm_campaign=UK_daily30

This episode is for educational purposes only and is not medical advice. GLP-1 medications should only be used under qualified medical supervision. If you are considering starting, stopping or changing one, speak to a doctor who knows your full medical history.

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Website: www.BiohackingEve.com