I know this is like a dumbass question probably but my uncle had gotten some beer from a brewery (It's not that shitty common man beer, forgot the brand. I'll have to edit in later). I've had it sitting underneath my bar for the last three years and I was wondering seeing if it was still good. It hasn't been opened or anything, it was just sitting
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If it is a preservative free beer it probably has a shelf life of about a year. After three years most beer would be -blam!-ed, if it wasn't it is probably beer that's not worth drinking.