Here’s What You Need to Know About Food Expiration Dates

 

Navigating food expiration labels can be confusing—especially when it comes to “Best By” dates on canned goods. Many people think these labels mean food must be thrown out after the printed date, but that’s not true. In reality, a “Best By” date is simply the manufacturer’s estimate of how long the product will maintain peak quality.

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With proper storage, canned items like corn, green beans, and tuna can last safely well beyond their printed dates. Here’s what you need to know.

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What “Best By” Really Means

A “Best By” date is not an expiration date. Instead, it’s a quality indicator, suggesting when the food will taste its freshest. Canned foods are preserved through sealing and sterilization, giving them a much longer shelf life than fresh products.

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Shelf Life of Common Canned Foods

Canned Corn

• Can last up to 2 years past the “Best By” date if stored in a cool, dry place.

• Texture and flavor may change slightly over time, but it’s still safe if the can is intact.

Canned Green Beans

• Similar to corn, they remain safe for up to 2 years beyond the date.

• Expect minor differences in taste or color with age.

Canned Tuna

• Among the longest-lasting canned items, tuna can be good for 3 to 5 years past the “Best By” date.

• Quality may decrease gradually, but proper storage ensures safety.

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Safety Checklist Before Eating

Safety Checklist Before Eating

Always inspect canned goods carefully, no matter the printed date:

• Check for damage: Discard cans that are bulging, leaking, or heavily rusted.

• Smell and look: If the contents have an unusual odor, color, or texture, do not eat them.

• When in doubt: It’s safer to throw it out.

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Essential Storage Tips

To maximize shelf life:

• Store cans in a cool, dark, and dry place.

• Avoid temperature swings (keep away from stoves, heaters, or garages).

• Rotate your stock: Place new cans at the back and older ones at the front.

• Handle carefully to prevent dents or breaks in the seal.

• Once opened, transfer leftovers to a sealed container and refrigerate—never store food in the opened can.

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Final Takeaway

“Best By” dates on canned goods are about quality, not safety. With proper storage and careful inspection, foods like corn, green beans, and tuna can be eaten long after their printed dates—helping you save money and reduce food waste without compromising health.