About the Switch Challenge

Healthy eating made simple and delicious.

Based on the principles of intermittent fasting, the Switch Challenge is the leading weight loss and transformation programme in the UK to help you reshape your body, mind and lifestyle over 12 weeks.

We give you everything you need.

Eating Plan

Make healthy eating simple, fast and delicious with our Fast Philosophy. We give you all the guidance, recipes, tips and tricks to reach your goal.

Exercise Guide

View and follow your weekly fitness routines, at-home and right on your phone. Developed in partnership with Studio One Islington.


Receive weekly emails with guidance and support to help you become more mindful, positive and motivated throughout your 12 week journey.

Get Your Switch Challenge
Wellness Guide and Emails.

Everything you need is neatly put together for you in your Switch Challenge 12-week Wellness Guide and weekly emails. Register for yours today and get started with achieving your weight loss and wellness goals.

Success Stories

Get inspired by real people who achieved real results on their 12-week journey.

Share your Switch Challenge journey and win great prizes.

Apply to become a Switch Challenge influencer and receive 12 weeks’ worth of LighterLife Fast products. Yes, you read that right! We’d love to help you achieve your goals, whilst sharing your story with others, inspiring them to do the very same.

Join the Switch Challenge Today!

What are you waiting for? Make the switch to a healthier, happier you.
Join the Switch Challenge today and reshape your body, mind and lifestyle in just 12 weeks.