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The Fast 800: How to combine rapid weight loss and intermittent fasting for long-term health Paperback – December 27, 2018

4.4 4.4 out of 5 stars 14,281 ratings

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Six years ago, Dr Michael Mosley started a health revolution with the 5.2 Fast Diet, telling the world about the incredible power of intermittent fasting. In this book he brings together all the latest science - including a new approach: Time Restricted Eating - to create an easy-to-follow programme. Recent studies have shown that 800 calories is the magic number when it comes to successful dieting - it's an amount high enough to be manageable but low enough to speed weight loss and trigger a range of desirable metabolic changes. The secret of this new programme is that it is highly flexible - depending on your goals, you can choose how intensively you want to do it. Along with delicious, low-carb, Mediterranean-style recipes and menu plans by Dr Clare Bailey, The Fast 800 offers an effective way to help you lose weight, improve mood and reduce blood pressure, inflammation and blood sugars. Take your future health into your own hands.
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From the Publisher

Fast 800

.

Food

Food

Food

Boiled Eggs with Spiced Asparagus Soldiers, 230 cals

Root Veg and Turmeric Soup, 170 cals

Spanish Aubergine Stew with Chorizo, 390 cals

Baked Salmon and Eggs with Chives, 300 cals

Crunchy Courgette Canapés 3 Ways, 211 cals

Garlic Prawns with Mixed Courgetti and Spaghetti, 290 cals

Smashed Avocado on Dark Rye Bread, 290 cals

Sausage and Mushrooms with Spring Greens, 545 cals

Product details

  • Publisher ‏ : ‎ Short Books Ltd (December 27, 2018)
  • Language ‏ : ‎ English
  • Paperback ‏ : ‎ 252 pages
  • ISBN-10 ‏ : ‎ 1780723628
  • ISBN-13 ‏ : ‎ 978-1780723624
  • Item Weight ‏ : ‎ 7.4 ounces
  • Dimensions ‏ : ‎ 5.04 x 1.02 x 7.76 inches
  • Customer Reviews:
    4.4 4.4 out of 5 stars 14,281 ratings

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Michael Mosley
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Customer reviews

4.4 out of 5 stars
4.4 out of 5
14,281 global ratings

Top reviews from the United States

Reviewed in the United States on September 8, 2023
Sorry I don't have before and after because I'm not at the "after" stage yet, but I have lost 11 pounds so far. It is a very low calorie diet using the Mediterranean diet prototype. The author gives easy to understand background, instructions, and provides references. I'm someone who has a very difficult time losing weight and I really just needed "permission" to go this low. His recipes are geared to the UK so not really suitable for my American tastes, but I just follow the principles of the plan and have done fine.
One person found this helpful
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Reviewed in the United States on January 19, 2024
Straight forward, research based information.
Reviewed in the United States on March 31, 2022
I enjoy the science behind the plan and thus enjoy reading about it.
For me understanding the background helps me to "do it".
The book itself offers enough information to start, without needing to buy additional (recipe) books. Although if you have a lot of weight to loose I can understand the need to vary your weekly menu.
The information is clear.
No matter what anyone tells you, dieting will never be easy. And when you go back to your old ways, you will gain back the weight in the end. Changing your diet on the long term is also not easy.
Before you start you need to be sure you want to do it. As dr Mosley points out, it is not just willpower. And yes eating satisfying foods help and so does TRE. But you need to sure you are willing to put the work in. And to understand it is a lifechange.. you are not done after 8 to 12 weeks and you can't simply go back to your old ways...
As said I enjoyed the book and the explanations. What I found lacking, is that there is no substitution mentioned for ingredients you can't/won't eat.
I would not have considered myself a fussy eater, but trying to follow the recipes I actually feel I am a fussy eater. I hate avocado, coconut and most fish. I tolerate chicken and spinach, but I do not want to eat it often...
Although I get that the current way of eating is the reason why I am seriously overweight, and that adjustment is needed, somethings are a no go.
Stop drinking soda's with sweetners, sure.. Reducing the amount of (simple)carbs, check..
Eating more greens, make better choices in fruit (some have a very high natural sugar content) I get it.
Trying out some new "stuff", oke!
But for us "fussy" eaters why not add a note with substitutes? Also as some reviewers complain about the cost of the ingredients and the waste.. a weekmenu which uses the same ingredients so you can use them up would be a good addition.
In overal a good informative book to read and use. Thank you, dr Mosley, for busting some dietmyths (such as fasting is bad for you) and bringing us factual proof and science on how our bodies work and how we can get healthier!
8 people found this helpful
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Reviewed in the United States on April 22, 2021
I love this book. About 10 plus pages are dedicated to correctly designed diet studies going on in UK and around the world. If you are in the USA it will make you feel like your government is slacking. Don’t even bother to do the regimen 8 weeks straight, just do it every third day. People are losing significant weight and keeping it off. People are reversing blood sugar issues. They write that Studies show there is no slow down of metabolism when doing “spurts” of dieting. I am Middle Age and nothing was working. Also, I was so close to a normal BMI, only having maybe 10 pounds to lose, I thought that’s why nothing was working. I do this regimen every third day. In other words, I eat 800 kcal one day and eat regular ( I.e. just to maintain weight) the next two days. It works like clockwork. The first day, first meal was a shock but easy after that. I do Slimfast (7 grams) keto coffee with light cream, small. Later is bell pepper and onion sautéed with 2-3 pieces of lunch meat and 5 second squirt of coconut PAM. Snack can be egg drop soup or small Kind bar. Lunch can be lettuce wraps, e.g. lettuce, one slice of cheese divided, 2-3 more slices of lunch meat, 1 teaspoon mayonnaise, misc veg like tomato, cucumber, onion inside the wraps. I use a good three slices of lettuce. At night I have about two hundred calories of meat and more vegetable. I’ve learned to enjoy salad with a about a third of an orange squeezed over it and add apple cider vinegar. I often get in about 40 calories of fat free yogurt and add a couple big strawberries or same volume of other berries. The weight lose is so predictable that it only took me one day to realize I no longer want to gorge on my regular days. For example, on my “regular” day I enjoyed breakfast with a frappe from the coffee shop but took my own mini kind bar instead of buying a pastry. The next “regular” day I did buy fast food chicken nuggets but hauled along yogurt, berries, and salad to round the meal off instead of buying fries and a huge burger. I do still very occasionally enjoy a Happy meal cheese burger on my regular days if I really want to go wild. You get so used to weight loss the morning after your 800 kcal day that you are extremely motivated to go for “maintenance” not “gorging” on the regular days- although you could. My whole world changed after three days. I cleaned my refrigerator out, gladly. I know exactly what I want and need from the grocery and nothing else. My smaller clothes are fitting. My scale is my friend. The only pain in the butt was the very first night. I planned all my next day’s food and wrote out all the calories. It was so worth it because I Picked my favorite healthy vegetable, protein, fats and I just tweak as needed or desired. Why 800kcal? The body is merely tortured with 1200 per day, because it’s not cutting back enough to shut the fat storing insulin down. In other words, insulin is a bit more like an on/off switch not a dimmer switch. Shutting it down allows the body to truly burn its own fat. you always know you can eat “maintenance” the next day so between that knowledge and the knowledge that weight loss is a sure thing you will be successful. Life changing. Check in with your doctor especially if you are on diabetes medication, blood pressure medication, and if you have any other usual conditions. Always good to check anyway. Some drugs have to be cut back on immediately, only your doctor knows for s rue. The book is Mediterranean not low carb, so enjoy your healthy non starchy carbs. I don’t do pasta or bread or potatoes on my diet days, but on my maintenance days I eat them in moderation. You can do this without intruding on your social life.go for it!
65 people found this helpful
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Reviewed in the United States on January 18, 2024
Hard to live on 800 calories
Reviewed in the United States on December 3, 2023
Great suggestios, recipes and thoughts on how to build your weight loss journey your way with their system
Reviewed in the United States on January 3, 2022
I have been working on reducing my weight ever since kindergarten, it seems, with limited success. It was a sad story of my life until I bought this book. A friend recommended the Dr. Mosley's method and we decided to try it, both I and my husband. We are in our 60s and gained a lot of shelter-in-place weight that we wanted to shed. The book offers a clear path to success and provides guidelines and recipes that are very easy to follow. I lost 15 lbs in the first 3 weeks, my husband also lost 15 lbs but in 2 weeks. We are continuing the diet and recommend this book to others.
13 people found this helpful
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Reviewed in the United States on July 27, 2022
Lots of good information inside this book.
One person found this helpful
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Top reviews from other countries

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Janet Stephanie
5.0 out of 5 stars 800 diet book
Reviewed in Germany on April 25, 2024
It's what I need thank you
Christine B.
5.0 out of 5 stars Super efficace
Reviewed in France on April 11, 2024
J'ai perdu les kilos, et appris comment ameliorer la nourriture
Nikhil
5.0 out of 5 stars Best book on weight loss healthy life style
Reviewed in India on June 3, 2023
Dr. Michael Mosley is the Global Guru on Nutrition & weight loss, who is leading and inspiring people globally.
The book is must read for everyone.
With Simple and excellent explanation about the science of nutrition & weight loss added with practical knowledge on lifestyle changes and all backed by global research and success stories.
Deborah A Stevens
5.0 out of 5 stars Stick with it, it really works.
Reviewed in Canada on October 15, 2020
Sensible way to lose weight. Easy to follow, did it as a couple and lost 13 and 15 lbs in 4 weeks. The first 3 / 4 days are toughest, but it gets easier. We try for around a 1000 calories a day 6 weeks in, and certainly find that manageable. We have 1
Cheat day a week, and so far so good. Basically you are cutting out most carbs and sugar. A 3 part tv show came out at the same time, its a help to try to find this as you start the plan, it follows 6 very ordinary people on their journey, if they can do it, so can you.
Barb Spain
5.0 out of 5 stars Interesante
Reviewed in Spain on August 26, 2019