Do ketchup packets expire?

There’s no “sell by” date on individual packets — that’s listed on the big box the packets come in. … Kraft Heinz spokesperson Lynne Galia says you don’t have to refrigerate ketchup packets because they are a shelf stable product. “They have a shelf life of about 9 months,” she says via email.

Should ketchup packets be refrigerated?

What About Condiment Packets? Those leftover ketchup and mustard packets at the bottom of your take-out bag don’t need to be refrigerated. Once you open them, though, use them up or throw them away. Salad dressing packets are good in the fridge for a few days.