I have beer that I bottled in April and May that I haven't had time to drink. How long will it last in the bottle and how do I know if it gone bad. I know, I Know we all have beer we didn't have time to drink.
The shelf life largely depends on how well the beer was brewed, but unless everything went wrong with the brew, I'd say you'd be fine with something bottled only 6 months ago. Maybe past it's peak, but still potable, for sure.