Most households have “that one forgotten can hiding in the back of the pantry,” and when the printed date has passed, many people assume it’s unsafe and throw it away. But most dates on canned food are not about danger. As the article explains, “Most dates on canned food relate to quality, not safety.” Labels like “Best By,” “Best Before,” and “Best If Used By” simply show when the manufacturer thinks the food tastes its best. Even “Use By” dates usually signal freshness, not spoilage.

Canned food safety depends more on storage than on the printed date. When cans are kept in a cool, dry place, away from heat and sunlight, they stay safe far longer than most people expect. High-acid foods like tomatoes or pineapple keep their best quality for “12–18 months,” while low-acid foods such as beans, vegetables, soups, or meats often stay good for “3–5 years or more.”

Even after these periods, the food does not immediately become harmful. What matters is the condition of the can. Real danger signs include “bulging or swollen ends,” deep dents near seams, leaks, rust, strange smells, “cloudy liquid or discoloration,” or liquid that “sprays out when opened.” These indicate that the seal has failed and bacteria may have formed.

Knowing what expiration dates truly mean can reduce waste and save money. Instead of tossing a can just because it’s old, take a moment to inspect it. If it looks normal and smells fine, it’s usually safe to use.