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ZOE Science & Nutrition

ZOE Science & Nutrition

By: ZOE
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 The world’s top scientists explain the latest health, nutrition, and gut health research and translate it into practical advice to improve your health & weight. Join ZOE Science & Nutrition, on a journey of scientific discovery. Hosted by Jonathan Wolf.Copyright 2024 ZOE Hygiene & Healthy Living Science
Episodes
  • What happens when you start eating healthy?

    What happens when you start eating healthy?
    Jan 1 2026
    What really happens when you stop dieting and start eating healthy? In this episode, we hear from two real people who spent years trying to “do the right thing” with food and still felt stuck. Today, we’re joined by Becky and Mark, two ZOE members sharing their personal journeys. Each of them has spent the past two years consistently applying ZOE nutrition principles. Instead of relying on rules or restrictions, they embarked on a science-led journey with ZOE, focused on understanding their bodies. The results? Truly remarkable - ZOE became such an important part of their lives that, alongside 18,000 other members of our community, they became ZOE owners through our crowdfunding. So what changed, and did it last? Alongside Professors Tim Spector and Sarah Berry, we explore how Becky and Mark stay motivated and on track, the lessons they have learned, and the strategies they have used to feel more in control and more confident in their everyday choices. As well as some unexpected shifts along the way. It’s a conversation about long-term change, not quick fixes, and you’ll leave it with real-life examples of how to make healthy eating a part of your everyday life. If healthy eating wasn’t about willpower or perfection, what small change would you start with? And what would help you take that first step this week? Unwrap the truth about your food 👉 ⁠Get the ZOE app 🌱 Try our new plant based wholefood supplement - Daily 30+ *Naturally high in copper which contributes to normal energy yielding metabolism and the normal function of the immune system Follow ZOE on Instagram. Timecodes 00:00 Intro 05:20 The artificial sweetener trap no one talks about 08:20 The test result that caused panic 10:00 The stat that explains why diets “work”… then fail 12:05 Why calorie advice was “nice and easy”… and wrong 15:55 The “Mars bar” moment 17:10 The simple trick that stops you feeling deprived 18:10 Your biggest barrier might be the service station 19:25 Is bacon really that risky? 21:10 “Accidentally” becoming vegetarian 23:15 From three foods per plate to fifteen 24:15 The moment this turns into “poo in the post” 25:10 What actually happens to your sample in the lab 26:45 From 44 to 88 in one year 27:30 Why the magic starts after results day 29:10 The foods avoided for entire lives 30:00 The part of ZOE people underestimate 33:25 The meal-combining hack that changes everything 35:45 The daily score that keeps it sustainable 38:55 The claim people don’t believe: same weight for two years 44:05 The fatigue link your GP probably won’t ask about 45:47 The “nut box” rule (and what to drink instead) 52:05 How to make this last forever 📚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 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 ZOE’s Holiday Hosting Guide Mentioned in today's episode Gut micro-organisms associated with health, nutrition and dietary interventions, Nature (2025) Ultra-processed food exposure and adverse health outcomes, BMJ (2024) Have feedback or a topic you'd like us to cover? Let us know here. Episode transcripts are available here.
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    56 mins
  • Recap: We need to talk about metabolism | Shawn Stevenson & Tim Spector

    Recap: We need to talk about metabolism | Shawn Stevenson & Tim Spector
    Dec 30 2025
    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
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    14 mins
  • 8 ways to eat better in 2026 | Prof. Tim Spector and Prof. Sarah Berry

    8 ways to eat better in 2026 | Prof. Tim Spector and Prof. Sarah Berry
    Dec 26 2025
    What if small changes to how you eat in 2026 could help you feel more energetic, less hungry, and more in control of your health? In this episode, we ask Professor Tim Spector and Professor Sarah Berry a simple question: which everyday food habits make the biggest difference to how we feel? Tim and Sarah outline the eight key principles that inform their approach to eating well and share clear, practical science in a way that’s easy to follow. You’ll hear simple tips you can try at home, like how to build a balanced breakfast, add more plants to your meals, and choose small habits that are easier to stick to over time. What is one easy change you could try in 2026 to feel a little better? Unwrap the truth about your food 👉 ⁠Get the ZOE app 🌱 Try our new plant based wholefood supplement - Daily 30+ *Naturally high in copper which contributes to normal energy yielding metabolism and the normal function of the immune system Follow ZOE on Instagram. Timecodes 00:00 Intro 04:20 How changing your diet at 40 adds a decade of health 07:25 Why mindful eating isn’t a wellness fad 12:40 Why ‘30 plants’ beats five a day 14:10 Feeding your gut like a living ecosystem 16:35 Can adding plants cancel out an unhealthy meal? 17:40 Why 30 plants is the sweet spot 19:30 What makes processed food high risk? 21:40 How processing tricks your brain into overeating 23:45 Why ultra-processed foods make you eat 25% more 25:05 Why diet drinks aren’t as harmless as they seem 26:50 How ZOE measures processed food risk 29:35 How to spot risky processed foods without the app 30:20 Simple food swaps that make a big difference 31:40 Why calorie counting fails long term 33:40 How adding calories can reduce hunger 35:00 Can you lose weight without counting calories? 38:40 What is an eating window? 41:10 Why a 12-hour overnight fast works 42:30 Why consistency matters more than perfection 44:15 What ‘eat the rainbow’ actually means 47:00 How food diversity shapes your gut microbes 52:00 Why protein quality matters more than quantity 59:00 Why fermented foods are so powerful 01:06:20 The eight principles that tie everything together 📚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 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 ZOE’s Holiday Hosting Guide Mentioned in today's episode ZOE’s protein guide Reducing Calorie Intake May Not Help You Lose Body Weight, Perspectives on Psychological Science (2017) The ZOE BIG IF Study, MDPI (2024) Fermented Food Consumption Is Associated With Improvements in Bloating, Hunger, Energy and Mood in the General Population, CDN (2025) Association between ultraprocessed foods consumption, eating disorders, food addiction and body image: a systematic review, BMJ (2024) ZOE ferment study New microbiome breakthrough from ZOE, thanks to community science Butter vs. seed oils: New evidence Are all heavily processed foods bad? What you need to know ZOE’s gut bug clusters Have feedback or a topic you'd like us to cover? Let us know here. Episode transcripts are available here.
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    1 hr and 10 mins
All stars
Most relevant
Information given in an easy to understand way. Great advice for food hacks to manage blood glucose.

Informative podcast Zoe Nutrition

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really good insight into menopause .Found it really useful. Definitely need a name change to women's hormone disfunction.

fab insight

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Once again, it is like Jonathan is reading my mind and asking all the questions I have! (except for the one on tomatoes...). Thank you for explaining the science and debunking the latest myth, which although one can see it's just aimed at selling a miracle cure in the form of one supplement, it's good to have the tiny doubts it raises squashed.

Great episode!

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I've listened to this several times because I've found it so interesting. I was totally ignorant of this subject before hearing this podcast, and I'm not able to get the CGM test done, but the advice given is something anyone can take up, whether or not they know their blood glucose level. Thank you for this, and all the Zoe free podcasts.

Very helpful

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Just listened to the programme about vitamins, and was amazed that the fact that BAME people deaths from covid were over represented and a link was made to lack of vitamin D. The advice given about vitamin D was clearly targeted at white people/those living in sunny climates. Those of us with melanin living in UK don't absorb enough vitamin D from sunshine. And if also a vegan then surely supplements should be taken? Also, there is an issue with absorption of vitamin D supplements. Even though I take supplements, my levels are still low. Why no research into why people of colour seem to not absorb vitamin D as a supplement?

Good information, annoying posh voices!

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