How Costa, Starbucks and Prets’ autumn drinks stack up nutritionally

EXCLUSIVE: MailOnline looked at more than a dozen autumnal drinks available across the UK, including at Starbucks, Costa, Pret, McDonald’s and Greggs’.EXCLUSIVE: MailOnline looked at more than a dozen autumnal drinks available across the UK, including at Starbucks, Costa, Pret, McDonald’s and Greggs’.Read MoreHealth News | Mail Online