+An **expiration date** marks the estimated point when a [product](/wiki/product)'s quality or safety may diminish. It is a manufacturer's guidance, a [time](/wiki/time) horizon for peak freshness or efficacy.
+## See also
+- [Shelf Life](/wiki/shelf_life)
+- [Food Safety](/wiki/food_safety)
+- [Quality Control](/wiki/quality_control)
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