Incredible Does Bud Light Go Bad After Opening It References. Web the date on bud light indicates the beer’s “best by” date, which is the date on which the beer is expected to maintain its highest quality. Web if your bud light hasn’t yet been opened, light can still ruin it and make it lose its flavor.
For bud light, the “best by” date is. The average bottle of bud light can last up to 110 days unopened before going stale or developing flatulence at best (think “skunky” smell). Web no, you should not drink bud light after its expiration date.
