Does Red Bull have any negative PROVEN Side Effect's I heard it kills sperm cells?
I also heard it was made from Bull Sperm is that true?
Red Bull is good with Vodka
Red Bull does not have any negative proven side effects. The caffeine content of a single Red Bull is the same as normal coffee and it might be slightly less depending on the brewing method. Read more on http://en.wikipedia.org/wiki/Red_Bull#Caffeine_content.
its not good for the nerves in you're. back.