Best-Before vs. Expiration Dates in Canada
The short answer is simple: a best-before date is mainly about quality. An expiration date applies to a much smaller group of products and should be followed.
That distinction can keep good food from being discarded too early. It does not replace proper storage or food-safety precautions.
What a best-before date means
The Canadian Food Inspection Agency says a best-before date tells you how long a properly stored, unopened product should retain its freshness, taste, nutritional value, and other claimed qualities.
It does not guarantee safety before the date, and food does not automatically become unsafe after it. Once a package is open, the printed date is no longer a complete guide to how long the food will keep.
Foods with a shelf life of 90 days or less generally need a best-before or packaged-on date, subject to exemptions. Many shelf-stable foods carry voluntary dates even when one is not required.
How expiration dates differ
True expiration dates are required for a limited set of foods whose nutritional composition must remain reliable. The list includes infant formula, meal replacements, nutritional supplements, formulated liquid diets, human milk fortifiers, and foods for very low-energy diets. The CFIA says not to buy, sell, or eat a product after its expiration date.
Look at the wording. "Best before" and "expiration" do not mean the same thing.
Check the food, storage, and package
A date is one piece of information. Also consider:
- whether the product stayed at the required temperature;
- how long it has been open;
- whether the package is leaking, bulging, or damaged; and
- whether the food is in a higher-risk category.
Food can become unsafe before a best-before date if it was stored incorrectly. Smell, taste, and colour cannot reliably tell you whether food is safe, so follow Health Canada's food-safety guidance for storage, cooking temperatures, and higher-risk foods.
Use dates while planning, not only while cleaning
Check the refrigerator before building your grocery list. Move food approaching its best-before date into the next few meals, freeze suitable items, and avoid buying duplicates.
Food approaching its best-before date is sometimes marked down. That can be useful when you will eat or freeze it promptly and you are confident it has been stored and handled correctly.
The useful rule
Treat a best-before date as quality information for an unopened, properly stored product. Treat an expiration date as a firm limit. Storage, package condition, and food-safety guidance still matter in both cases.
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