Fast. Feast. Repeat.

Many readers found this book to be a life-changing and inspiring guide to intermittent fasting, profoundly altering their perspective on food and eating. Reviewers praise its comprehensive nature, making it an excellent resource for both newcomers and those already practicing intermittent fasting. The author's unique "clean fast" approach is highlighted as particularly effective, leading to significant health improvements such as weight loss, increased energy, better sleep, reduced inflammation, and enhanced mental clarity. Readers appreciate the book's practical, implementable advice, extensive references, and motivating testimonials, all presented in an easy-to-understand, conversational, and encouraging style. It is celebrated for offering a sustainable health plan with the added benefit of weight loss, rather than a restrictive diet.

Despite its positive reception, some reviewers expressed reservations about the book. Criticisms include a perceived lack of deep scientific rigor, with some feeling the information was "dumbed down" or oversimplified. A recurring concern was the author's lack of formal scientific or medical credentials, leading some to question the depth of the scientific backing beyond personal experience and "cherry-picked studies." Reviewers also found the book to be repetitive and excessively padded with numerous testimonials, suggesting it could have been significantly shorter. Stylistically, some were put off by what they described as an overuse of exclamation points, a patronizing tone, or the author seemingly focusing too much on her own weight loss journey. One reviewer, with a history of disordered eating, noted that while the book was informative, the concept of intermittent fasting, even as presented, could pose a risk for individuals with similar vulnerabilities.

Overall, this book appears to be a highly effective and motivational guide for those interested in adopting or refining an intermittent fasting lifestyle. It is particularly well-suited for readers seeking clear, actionable instructions and a supportive, personable tone, especially if they are new to intermittent fasting or looking for a specific methodology like the "clean fast." However, readers desiring a more rigorous scientific exploration, a concise academic presentation, or an author with traditional medical or nutritional credentials might find it less satisfying. It serves as an accessible "how-to" resource focused on practical application and personal transformation, making it ideal for individuals ready to embrace a new health approach with tangible benefits, provided they are receptive to its anecdotal and conversational style.