Well, perhaps not the legendary and refreshing site of Florida's only real myth, but a drug - the catchily-named Glisodin OTC.
Apparently vitamin manufacturer Pure XP has found a formula that 'triggers cell renewal' and 'makes you feel great in the morning'. One swig of the stuff and you will feel like Cliff Richard in the 1720s, or whenever he was young.
Diary is running a book on which members of UK PR agencies need it most. Answers on a postcard please.