Austria’s Viva Mayr clinic has obtained an almost mythical status as the hallowed home of celebrity detoxification. The list of who has visited the clinic covers almost every base of starry notoriety: supermodels (Karlie Kloss), fashion designers (Alber Elbaz), Hollywood movie stars (Uma Thurman), musicians (Mick Jagger), artists (Tracey Emin) plus politicians, oligarchs and many many more. This year they have opened a London outpost on Harley Street, taking their digestion and gut expertise outside of Austria for the first time. The primary focus of the day clinic will be diagnostic consultations, from which patients leave with a bespoke programme designed to help transform their wellbeing. There are also cooking classes so you can learn how to live the Viva Mayr way once you’re back in your own home, too.