'No one knows more about fermenting'' Davina McCall

‘The master of gut health and intelligent eating' Hugh Fearnley-Whittingstall

An inspiring guide to the life-changing power of fermentation from world-leading gut scientist and no. 1 bestselling author Tim Spector

From kombucha and kefir to sourdough, miso and coffee, Professor Tim Spector dispels the myths around fermented foods. He explains what fermented foods are, what to look for when buying them, how to make them at home, and why adding simple ferments to everyday meals can transform your gut health and overall well-being.

Blending cutting-edge science with practical, reassuring advice, Ferment shows how small changes to what’s on your plate can make a big difference to your health.

‘By the end of the book, I had jars of kombucha and sauerkraut brewing in my pantry’ New Scientist

‘A super healthy and tasty gift for you and your gut microbiome’ Clare Bailey Mosley

'Fermentation is the original wellness hack - and Tim reminds us that the best health breakthroughs can begin in a jar' Liz Earle

"Tim Spector [has] done more than anyone to draw public attention to the link between gut health, immunity, ageing and mood" - Daily Telegraph

"A fascinating overview of the field based on copious new research. It is not just a summary of what has gone before but an exciting glimpse of the future… Spector is an engaging storyteller and his palpable enthusiasm for the microbial world is infectious" - Literary Review

"A persuasive, meticulously researched book… By the end of the book, I had jars of kombucha and sauerkraut brewing in my pantry" - New Scientist

"Tim Spector has done more than anyone to popularise the microbiome…Now with Ferment, Spector focuses on foods that can contribute their own cargo of friendly bacteria and yeasts" - Financial Times

"Spector is an engaging storyteller and his palpable enthusiasm for the microbial world is infectious... There is a quotable fact on every page... A practical handbook and a thorough guide to this still-developing science - one that offers its knowledge as a gateway to further research and further thought." - Literary Review

"Ferment is a deep-dive on the super good for you foods… Spector finds ferments so thrilling because you eat your own science… and the research involved is gripping too" - The Mirror

"For anyone who is nervous about working with microbes…[Ferment] will demystify the process… [Spector] affirm[s] that microbes are,more often than not, our friends" - Times Literary Supplement

"Features some impressive research on the health benefits of fermented foods in terms of gut health, immunity, mental health and inflammation." - Your Healthy Living

"Tim Spector has been exploding the myths around food and health for years" - The Times, praise for FOOD FOR LIFE