The Fast 800 diet encourages people to eat 800 calories a day, coupled with intermittent fasting and the replacement of some meals with a nutritious shake.
You can keep up to date with the latest health news by subscribing to our Health Newsletter.
We use your sign-up to provide content in ways you've consented to and to improve our understanding of you. This may include adverts from us and 3rd parties based on our understanding. You can unsubscribe at any time. Read our Privacy Policy
