The best case is it does no harm.
Im definitely in the minority but there’s just zero value to me in drinking an energy drink. If you need energy that bad, there’s several options that are less artificial with similar effects.
I’ve tasted a Celsius here and there, don’t get me wrong. I get the appeal, but it’s just silly to not consider the health effects. I’m also anti-syrup and sodas so I’m a bit odd I guess.