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on your 5:2 journey…

“The Fast Diet certainly changed my life, and we hope it can do the same for you. Explore the resources on our site, join our community and check out the revised and updated edition of The Fast Diet book” Michael Mosley

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How to do the diet

How does the Fast Diet work? How many calories should I eat? What's my BMI?

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Get a Fast Exercise boost

Improve your Fast Diet results by incorporating just a few minutes of HIT Fast Exercise a week.

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