Lucozade was a forerunner of the modern day “sports” drinks. “Lucozade Aids Recovery” as the advert went.
When I was still in recruitment, I used to drink one or two a day during work days. You need the extra energy in a sales environment especially when working long hours.. But yeah it's bad for the health, I actually got sick a lot back in those times.
Back when I was working in UK I was drinking around 6 coffee a day plus 1 or 2 energy drinks, but since I left UK I've stopped