Much like packaged foods from the grocery store, test kits are stamp-marked with their expiration dates. The shelf life can be extended, though, meaning the printed expiration date may not always ...

What’s the difference between Sell By vs. Expiration dates? by: Zaneta Lowe. Posted: Feb 7, 2024 / 11:07 AM CST. ... Please look at the time stamp on the story to see when it was last updated.

Some numbers are bad because they mislead. Expiration dates on our food are worse: They’re downright destructive. Food experts broadly agree that the expiration dates on every box of crackers ...