The 51-year-old star got a taste for the beverage during his visit to Miami. He has asked for the drink's ingredients to be imported from around the world when he is on the road in US for "The X Factor" auditions.
"He's obsessed with staying healthy and wants to look after himself. The drink is an extension of that. It is not cheap to make and involves lots of hard-to-buy fruit which we need to take on the road. But for someone like Simon it is not a big deal if it costs a lot," mirror.co.uk quoted a source as saying.
"He is also eating lots more salad and raw vegetables and has them cut up in his dressing room to try to avoid the chocolate biscuits he used to snack on," the source added.
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