Over all, which energy drink is more superior than the other; "Bang" or "REIGN total body fuel"?

Both energy drinks have an epic kick a$$ 300 milligrams of caffeine in each can. Even so i get the sneaking suspicion that one is better than the other over all. That's why i need to know since i'm a big energy drink fan and a big energy drinker. Also, for some reason "REIGN total body fuel" has... show more Both energy drinks have an epic kick a$$ 300 milligrams of caffeine in each can. Even so i get the sneaking suspicion that one is better than the other over all. That's why i need to know since i'm a big energy drink fan and a big energy drinker. Also, for some reason "REIGN total body fuel" has 300 milligrams of what it calls natural caffeine.

BQ: What are all the differences between caffeine and natural caffeine?

Please give me a source or 2 with your answers, if any of you can! That would be very greatly appreciated. A source or 2 with each and every answer isn't exactly needed, but it's preferred.
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