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.

How long are condiment packets good for?

That said, here are the best estimates for how long to keep packets of various condiments: One year for mayo, relish, BBQ sauce, tartar sauce, horseradish sauce, maple syrup, salad dressings and ketchup. One to two years for olive oil, Parmesan cheese, taco sauce, mustard and soy sauce.

Can you eat expired unopened ketchup?

Unopened ketchup lasts for up to a few months past the date on the label. ... Discard ketchup if there's mold, it smell sour or yeast-like, or the taste is off. Darkening and some separation are fine, but make sure to check if taste is still good enough. Unopened ketchup can sit at room temperature.