Once in a while no, won't cause harm. But if you don't drink caffeine you may feel the hit of an energy drink strongly. This varies from person to person but you can feel shaky or your heart beating faster etc.
Friend gave me one of those pre-workout energy drinks and it got opened so I didn't want to let it go to waste. Effect was "I can't sleep and I'm angry"
Once in a while no, won't cause harm. But if you don't drink caffeine you may feel the hit of an energy drink strongly. This varies from person to person but you can feel shaky or your heart beating faster etc.
Friend gave me one of those pre-workout energy drinks and it got opened so I didn't want to let it go to waste. Effect was "I can't sleep and I'm angry"
You just explained America