Genius Gut

The Life-Changing Science of Eating for Your Second Brain

By: Dr Emily Leeming

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Paperback | 21 October 2025 | Edition Number 1

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19.6 x 12.8 x 2.6

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Learn all there is to know about the gut-brain connection and boost your health and mood from inside out with 10 proven gut-brain hacks

Genius Gut is a revolutionary guide on what and how to eat to boost your life from the inside out. Written by Dr Emily Leeming, microbiome scientist and registered dietitian, Genius Gut draws on her clinical and research expertise as a registered dietician, microbiome scientist and chef. Packed with practical resources, tables, tips, and lists, this book digests the latest ground-breaking scientific research about the powerful two-way path between our gut and brain, transforming how we eat for our gut health and mood. With 10 proven easy gut-brain hacks that you can mix and match, you will learn how and what to eat for peak emotional and physical well-being without restriction.

About the Author

Dr Emily Leeming PhD MSc RD is a microbiome scientist, registered dietitian, and chef. She is a Research Fellow at King’s College London. Dr Emily writes for The Daily Mail and frequently appears in media outlets such as BBC Radio 4, The Sunday Times, The Telegraph, and The Guardian. She authors the popular weekly Substack newsletter Second Brain and regularly gives talks, translating new research findings into actionable everyday advice. Genius Gut is her first book.

Industry Reviews

Dr Leeming's book cuts through all the noise and explains everything about your gut in easily digestible (sorry had to do it) sections — Cosmopolitan, best new books out in July

Dr Emily Leeming has written a brilliant book written in a very easy to digest way (forgive the pun) with very simple and affordable hacks. — Davina McCall

Brilliant — Gethin Jones, BBC Radio 5 Live

You need to read this — Women’s Health

The book offers myriad easy ways you can nurture your gut microbiome and wider health — VOGUE

The gut is the gateway to the brain – and this is the go-to guide — Dr Tara Swart, neuroscientist and author of The Source

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