The dates stamped on food packages look authoritative, but they are quietly driving mountains of unnecessary waste. In the United States, most “sell by” and “best before” labels were created to signal peak freshness—not safety—yet consumers often treat them as expiration warnings, tossing food that is still perfectly edible. In this episode, we explore how a confusing dating system born in the 1970s came to shape modern habits, why manufacturers tend to play it safe with early dates, and how our own senses are usually better guides to spoilage than the calendar. As experts push for clearer, standardized labels and policies that encourage food donation, the story reveals how a small change in language could keep millions of meals out of the trash.

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