Have you ever wondered where all the green beer we drink on St. Paddy's day comes from? NO, it is not just a couple drops of green food coloring in your beer. That is just a rip off of the real deal green beer. For a look at where the mysterious brew comes from, the following video goes inside a green beer brewery and discovers the truth.

Featuring Sean Patrick Flannery of Boondock Saints
NSFW video