Icon Mission The Mission

Mission O™ is a 60-day weight management mission specifically designed for people with obesity.

If you've spent years dieting, struggling and wondering why you keep regaining the weight no matter how hard you try, this is the mission for you.

• learn the new science of obesity
• understand your unique 'set point'
• discover simple steps to lower it

Mission O™ launches on Monday 06 September 2021.

Mission O Logo

Icon Who Who is it for?

Have you spent years dieting, but you always regain the weight? Have you lost weight recently, but you're struggling to maintain it? Do you feel like you gain weight just by looking at food?

The chances are you have a high 'set point weight', and only by lowering that set point can you regain control of it. Join us on this 60-day mission, where obesity expert Liam Sartorius and the Rebelfit team will be helping you learn the new science of weight management.

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Icon Think Phase One

Phase one is all about helping you understand your unique set point weight. Think of set point like the weight you gravitate towards, driven by your unique environment, psychology, biology and diet history.

Over the first 30-days the Rebelfit team will help you map out your set point and identify the key factors that are driving your weight gain. Only by understanding these factors, and changing these factors, can you lower your set point and facilitate weight loss.

• end the cycle of yo-yo dieting
• retake control of your weight
• make peace with your body & food!

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Icon Training Phase Two

Lowering your set point weight takes time. In the meantime, how can you be as healthy as you possible can be whilst living with obesity? What can you do to improve your health and happiness right now?

Phase Two is all about teaching you how to exercise, eat well, think well and practice self-care, as someone living with obesity. In the second 30-days you'll receive expert exercise, nutrition and mental health support, specifically designed for bigger people who struggle to get motivated.

• home workouts from just 5 minutes
• affordable, family friendly nutrition
• get healthy in days, not years!

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Icon Speech Why join?

"Rebelfit has provided a safe place to learn new skills. Everybody is welcome, and there are no stupid questions. Training exercises are perfectly suited to your ability, and there is so much support available. thank you Rebelfit, you’ve changed my life!" - Natalie Hutchings


"Trying just one mission has been a really exhilarating shake up for me and the results speak for themselves. I feel fitter in both body and crucially mind. The education that Rebelfit gives on food and lifestyle is brilliant and more than manageable." - Dr Giles Dawnay


"The support from the group, the rebel leaders and of course Liam is very encouraging. I love my food and enjoy learning about nutrition to enjoy it even more. I feel more energised and my young children are taking more interest in healthy food which is so pleasing." - Nicky Garden

Mission O 4

Mid Icon Book your place today!

Mission O™ launches on Monday 06 September! You will receive your email invitation to choose your groups then!

Pay Monthly

£36 per month

This option allows you to pay in two instalments. The 1st instalment comes out on signing up and the 2nd is one month later.


Pay Up Front

£60 in advance

This option allows you to pay for the mission in advance. This also earns you a discount, saving you £12 on the full mission price.



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Next Missions!

Our next missions launch on 6th September!

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"Great nutrition and workout advice as well as a motivating and informative community on your way to healthy eating, health and fitness. As a rebel you learn that life happens and not to beat yourself up because we all are not perfect. Perfection is not the goal - a better you is! Go rebelfit!!!"

- Duan Leverock

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"It appears that dieters who manage to sustain a weight loss are the rare exception, rather than the rule. Dieters who gain back more weight than they lost may very well be the norm, rather than an unlucky minority."

- Dr Traci Mann, "Diets Are Not The Answer"

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