Ferment

The Life-Changing Power of Microbes

By: Tim Spector

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Paperback | 9 June 2026

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Paperback

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19.7 x 13.0 x 2.4

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From the world-leading gut scientist and no. 1 bestselling author of Food for Life, an introduction to the life-changing benefits of fermentation

Tim Spector is on a mission to bring fermenting into our lives and kitchens. Drawing on cutting-edge science and his own experiments, with practical tips and recipes, Ferment is an accessible introduction and guide for beginners and fermenting enthusiasts alike.

Fermenting is one of the most ancient techniques for preparing and preserving foods and drinks, requiring no more than a little knowledge, time, patience and basic materials to turn the humblest of ingredients into the richest of nutritional sources.

Yet the wide-ranging benefits of fermenting - nutritional, ecological, financial and, yes, taste - are unspoken, and many people feel too intimidated to give fermenting a go.

With his well-known conviction, clarity and authority, Tim Spector is here to share that ferments are the surprisingly delicious discovery that have most transformed his diet. He explains their extraordinary potential to rapidly and cheaply improve our gut microbes and general health more than any other food group, and shows the endless simple and tasty ways to bring them into our daily lives.

Ferment cuts through myths and misunderstanding to help us navigate the fascinating world of ferments and their extraordinary benefits for our health, our meal times, and our planet.

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