Dr Clare Bailey, wife of Michael Mosley, is a GP who has supported hundreds of patients to lose weight, reduce their blood sugars and put their diabetes into remission at her surgery in Buckinghamshire. She is the author of The 8-Week Blood Sugar Diet Recipe Book, The Clever Guts Diet Recipe Book, The Fast 800 Recipe Book and The Fast 800 Easy.

Justine Pattison is one of the UK's leading healthy-eating recipe writers. She has published numerous books, and appears regularly on radio and television. www.justinepattison.com

Dr Michael Mosley trained as a doctor before becoming a journalist and television presenter. He is the author of The Fast Diet, The 8-Week Blood Sugar Diet, The Clever Guts Diet, The Fast 800 and The Fast 800 Keto. He is married with four children.