A step-by-step Online Programme for weight loss and long term health

A tailored, sustainable lifestyle plan, which is the culmination of years of experience with, and scientific data on, fasting, exercise and the Mediterranean diet. Join the tens of thousands who have found success on The Fast 800 with intermittent fasting, achievable exercise and mouth-watering food.

Start your 7-day free trial today!

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How it works : In a nutshell

What do you get?

Meal plans and shopping listsicon

  • Time-saving weekly meal plans and automated shopping lists to get you organised
  • More than 500 tasty and easy recipes designed by our nutritionist, to support good health and immunity
  • Plans to support three meals a day, or two meals a day to extend your fasting window
  • Three approaches – The Very Fast 800, The New 5:2 and The Way of Life – for long-term sustainability
  • Vegetarian and non-vegetarian options
  • Keto meal plan variations now available on The Very Fast 800
  • Flexible recipe serves to help when cooking for others

Online assessment icon

  • Ascertain the right meal plan for you and tailor your level of fasting
  • Assess your fitness to determine your exercise plan
  • Start tracking your weight, blood sugars, sleep and more!

Exercise plans and training guides

  • 12-week guided exercise plans – beginner to advanced levels
  • Six days a week of planned exercise – including resistance training, stretching guides, and HIIT motivation
  • A library of Pilates and additional workout videos – created by our exercise experts
  • All can be done in your living room and with no equipment

Real support as you need it icon

  • Group support on our lively Communitymotivation and guidance from your fellow members and our Health Coaches
  • Tools and trackers to help you create accountable goals and measure your progress
  • Daily dashboards to enable focus and habit-building as well as rewarding engagement
  • Core learning content, plus access to exclusive articles
  • Mindfulness meditations and more!

As seen in

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What others say about the programme

“I cannot tell you how happy I am, I’ve been type 2 diabetic for 5 years and they were about to start me on medication, I honestly feel like I’ve been saved from a lifetime of ill health – this diet has been the best life change I have ever done and Dr Michael Mosley deserves a knighthood for it. Thank you so so much, from myself and my family”

Clarissa, Worcestershire Lost 10kgs

“My husband and children kept telling me, and their friends, how much they enjoyed the meals. I mean seriously, who goes on a calorie restricted diet and expects gourmet meals that are easy to prepare and look like a work of art!”

Angela, Western Australia Lost 12kgs

“Five months after starting The Fast 800 I reached my target of three stones lost. I’ve gone on to lose a few more pounds to bring my total to 45lbs. I have a whole new figure, necessitating a whole new wardrobe! I feel wonderful, am much more active, and have no joint pain. This WORKS!”

Yvonne, Dorset Lost 45lbs

“One word-Brilliant! I lost 28lb in 9-10 weeks and 7 inches off my waist. Also dropped 2 clothes sizes. Love this programme! 👍 I can’t praise The Fast 800 enough!!!”

Anne, Country Durham Lost 13kgs

Need more answers?

Haven’t found the answers to all your questions? Don’t worry! We’re here to help. Go to our FAQ page to find all the answers you were looking for.

Go to FAQs

Are you ready?

Join The Fast 800 Programme and begin your journey to a happier, healthier life.


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