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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
best by date
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "best by date" is correct and usable in written English. You can use it to indicate the date by which a product is recommended to be consumed for optimal quality. For example, "Please check the best by date before purchasing the item." Alternative expressions include "best before date" and "use by date."
✓ Grammatically correct
News & Media
Academia
Wiki
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
16 human-written examples
It is past its "best by" date, but tastes fine.
News & Media
Failing that, look at the "best by" date which should be two years after an oil was bottled.
News & Media
Certified extra-virgin olive oils from the European Union are required to have a "best by" date on the label.
News & Media
A good EVOO will at least have a "best by" date, but better brands have a "harvest date".
Academia
While checking your cupboards for supplies, you find a bag of stuffing mix with a "best by" date of Nov. 1, 2015.
News & Media
Longer is generous, especially if the employer needs help training your replacement — but if you've stayed well past your mental health "best by" date, tie off your projects as best you can and make a clean break.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
44 human-written examples
Some yoghurts remain good to eat one to three weeks after the best-by date.
News & Media
Though the recall covers cereal with a best-by date of June 14 , 2018 through June 14 , 2019 the agency is recommending people avoid the cereal altogether.
News & Media
In those countries most of the waste is caused by consumers throwing away perfectly good food, in large part because grandma's taste-and-sniff test of food that is past its best-by date has fallen out of favour.
News & Media
The Liberals may not be past their best-by date yet — Canadians typically grow tired of federal governments after a few rounds — but they've been in government long enough that running the smiling 2015 "Hope and hard work" campaign will be tricky.
News & Media
The ready-to-eat bites in question come in 22-ounce frozen packages with a best-by date of 10/25/19 and UPC Bar Code 72745-80656, with a "P-33944" inside the USDA mark of inspection.
News & Media
Expert writing Tips
Best practice
Understand that "best by date" indicates quality, not safety. Use sensory evaluation (sight, smell, taste) to determine if a product is still suitable for consumption after this date.
Common error
Do not automatically discard food solely based on the "best by date". This date primarily indicates quality, not safety. Use your senses to evaluate the food's condition, and only discard it if there are clear signs of spoilage.
Source & Trust
85%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "best by date" functions as a noun phrase, typically modifying another noun (e.g., "check the best by date"). Ludwig AI confirms its usage in indicating a date related to food or product quality.
Frequent in
News & Media
65%
Wiki
15%
Academia
10%
Less common in
Formal & Business
5%
Science
3%
Reference
2%
Ludwig's WRAP-UP
The phrase "best by date" is a noun phrase used to indicate the date until which a product maintains its optimal quality, as confirmed by Ludwig AI. It's important to distinguish this from "use by" or "expiration" dates, which relate to safety. The term appears frequently in news and media, as well as in academic and wiki sources, suggesting a generally neutral register. When using the phrase, provide the full date for clarity and understand it indicates quality, not necessarily safety. Be aware of the common error of confusing it with expiration dates, and always use your senses to evaluate the condition of the product.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
better if used by
Suggests the date for optimal quality, which might differ from standard "best by".
use-by date
Specifies the last date a product is safe to consume.
fresh until
A simpler, more direct way to indicate freshness duration.
expiration date
Refers to the date after which a product should not be used.
optimum consumption date
Focuses on when the product will provide the best possible experience.
sell-by date
Indicates the date by which a store should sell a product.
recommended consumption date
Highlights the recommended, rather than mandatory, nature of the date.
display until date
Date after which the product is no longer intended to be displayed for sale.
peak freshness date
Emphasizes the point when the product is at its freshest.
quality assurance date
Highlights the company's guarantee of quality until the specified date.
FAQs
What is the difference between "best by date" and "use by date"?
A "best by date" indicates when a product will be of best quality or flavor. A "use by date" /s/use+by+date suggests when a product is no longer safe to consume.
How should I interpret a "best by date" on food packaging?
A "best by date" means the product is likely to decline in quality after that date, but it doesn't necessarily mean it's unsafe to eat. Use your senses to determine if it's still good.
Can I still consume a product after its "best by date"?
It depends. If the product looks, smells, and tastes normal, it's likely safe to consume, though the quality may not be optimal. Check for signs of spoilage before consuming.
What are some alternatives to saying "best by date"?
You can use alternatives such as "better if used by", /s/better+if+used+by "sell by date", /s/sell+by+date or "expiration date" /s/expiration+date depending on the context.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
85%
Authority and reliability
4.1/5
Expert rating
Real-world application tested