What The Fast? How Monday and Tuesday will
change your life.

(14 customer reviews)

NZD $34.95(incl. free shipping in NZ and Australia)

Retail Outlets Buy the e-book


Order your copy of What the Fast! today to secure your copy. We only have a limited first print-run and do expect to sell out.

Back at the cutting edge of the latest science, What the Fast! is a practical guide to get you started with intermittent fasting (IF) or Super-Fasting (SF) as we now call it. Plus it comes with all the science and the recipes too.

Super-fasting allows for super wellbeing from effortless weight loss to enhanced immune and brain function. If you want to drop a few kilos, stay sharp and get your health on track, then this is for you. By simply not eating breakfast and lunch on Mondays and Tuesdays and then supercharging your dinner meals, you will become a super faster.

Every single cell in our body has the ability to spring clean and repair itself, we simply need to stop feeding them from time to time. Nature certainly has it sussed! And so does the 2016 Nobel prize winner who discovered it. This self-repair of immune cells, skin cells, brain cells and more, is known as autophagy, and it only happens when you don’t eat. Super-Fasting unlocks the biology of super aging. It can help us live a long, healthy life right up until the end, the exact opposite of the long-suffering demise that modern day has to offer. Living well for long, and then dropping dead sounds like a good mantra to us.

Ok it sounds great, but do you think you’ve got what it takes? Don’t worry, we will show you how it’s done and help make it work for you. In What the Fast?, we bring you practical tips, super meal recipes, inspiring success stories and science that comes alive… everything you need to make food and fasting work for you.


The results described in our testimonials as well as on other pages on this site, are the personal opinions and individual experiences of those who have followed our recommendations.

Results may vary from person to person. There are no guarantees, claims, or promises being made or implied about the average, typical or expected outcomes of any person following the information presented on this website. In addition, these testimonials are not intended to make any claims that this website and/or the products sold here can be used to diagnose, treat, mitigate, cure or prevent any disease or medical condition.

All product reviews / testimonials / success stories are the sole opinions, findings or experiences of our customers alone and we do not pay for testimonials or reviews.


SKU: WTFAST Category:

14 reviews for What The Fast? How Monday and Tuesday will
change your life.

  1. Jo Managh

    My wife bought this book six weeks ago and we have been sticking to it. I thought fasting would be difficult but I can’t believe how focused I feel on the two days that I do it. I have lost about 5 kilograms and feel a lot better. I have a bad back and I feel this way of eating has contributed to a significant reduction in inflammatory pain. I love it!!

  2. Katie Wyatt

    I bought this book when I was in New Zealand on holiday. I absolutely love it, I have embraced fasting and loving the results. My friends are desperate for a read to try it for themselves.

  3. Mel

    Great practical book with science behind the benefits of fasting and yummy low carb recipes. Case studies are included with real life people’s results. A life changer. Highly recommend.

  4. Mary Kater

    This is just what I needed. I felt I was eating right before, but just not losing.. At 58 and post menopause, I sought the advice of nutritionist, Sylvia and she recommend the fasting program. I’ve lost 4.5kg in 10 days! I find it very easy to follow and I needed to lose the visceral fat. Since I have lost the weight, I have no pain where I suffered a lower back injury. Amazing results!

    • What The Fat?

      That is amazing! Freedom from pain – even without weight loss in my case – is the main reason I keep on with LCHF and IF.

  5. Carole Lynskey

    Since reading the book a month ago, and starting my own journey to feeling better and losing weight, I can’t speak highly enough of this routine! I’m feeling fantastic, energy to burn and have lost a kilo each week. Fantastic, thanks to the authors of the book, I’m sticking to it now for the long term

  6. Stevie Turner

    I know its a cliché, but this book really has changed my life. I’ve lost 4kgs over two months & feel fantastic. I have fasted before but always put the weight back on. Highly recommend it.

  7. Chris de Bazin

    Just what I needed. At 61 I was finding it very difficult to shed weight and lacked a structure to adhere to. Well, ‘What The Fast’ has not only provided that structure but provides superb recipes backed by the latest science. Very accessable and a real eating behavioural game changer. More energy by fasting? Yes! And empowering too.

  8. Peta Laery

    Essential reading for anyone who is interested in living the best life that they can. The book is easy to read but contains plenty of in-depth information. The recipes are delicious – which may seem stange in a fasting book! I’ve made regular fasting part of my life and I’m very happy with the positive changes in myself. Looking forward to the next book WTF team!

  9. Mikki Williden

    On the back of the success of the What the Fat books, What the Fast takes an evidence-based approach to the practice of fasting and translates science into easy-to-implement strategies that everyone can understand. In addition to the science rationale, there are delicious recipes that are budget conscious and quick to prepare, and real-life case studies that illustrate the effectiveness of the Super Fasting approach. I would recommend this to any person interested in the science of fasting, especially health practitioners who require a structure to put into place for their clients.

  10. Sylvia

    What The Fast is not only loaded with practical and detailed information, it’s also a very aesthetically enjoyable read. They’ve totally covered it all from both a beginner and advanced level in a language that’s super relatable. Who would have thought we could ever get so excited about not eating? Best anti-ageing book I’ve read.

  11. Gemma Mctavish

    Im loving WTF!! Have converted from the 5:2 diet and find this approach sooo much easier to do. I understand the science a lot more now and the recipes are delicious! Will be recommending to friends, thank you!

  12. Petra Galler

    I am a total convert to the world of fasting! This book is incredibly informative, and the concept of fasting is explained in a very user friendly way. The recipes are stunning!
    I am onto my second week and already feeling and seeing the results!

  13. Amber Thoresen

    I’d always been interested in fasting but didn’t really know where to begin. I love how the book lays it out and makes it so simple without overwhelming you. The recipes are SO delicious! i couldn’t wait to get started.

  14. John Stewart

    Fasting and the science behind it is one of the most important habits to embrace into your life. If you are over 50 you must read this book. Well done Caryn and co authors for making this information available

Add a review

Your email address will not be published. Required fields are marked *