Can You Eat Jam After the Best-Before Date?
Written by Jordan Morley · Reviewed against FSA date labelling guidance · Last updated 28 October 2026
Yes. Jam has a best-before date, which is about quality rather than safety, so it is usually fine to eat after the date. Check that it looks and smells normal.
Why it's usually fine past the date
A best-before date is the maker's estimate of how long jam stays at its best. After it, an unopened jar keeps its quality for a long time, and an opened one is more likely to grow mould; it doesn't suddenly become unsafe. The FSA says food is generally safe to eat after its best-before date, and using your own judgement also cuts food waste. Throw it away if you see: mould on the surface: bin the jar, because mould can spread beyond what you can see.
You can also check the calorie content of jam alongside its safety information.
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Jam: the other answers on this site
| Question | Short answer (links to the full page) |
|---|---|
| Left out overnight (Opened Jam) | One night is fine |
Common questions
Does jam need to go in the fridge once opened?
The label usually says so, and it is the safest way to avoid mould, particularly with lower-sugar jams. Sealed jars keep their quality for a long time.
How can I tell if jam has gone off?
Look for mould on the surface: bin the jar, because mould can spread beyond what you can see. If none of those apply and it looks, smells and tastes normal, it is fine.
What actually changes after the best-before date?
An unopened jar keeps its quality for a long time, and an opened one is more likely to grow mould. That's a drop in quality, not a safety problem (FSA).
What is the difference between use-by and best-before?
Use-by is about safety: do not eat after it. Best-before is about quality: the food is often fine after it, just past its best. Check which one is on your label.
Related answers
Primary source: FSA date labelling guidance.
General information only, not medical advice: see the medical disclaimer. Feeling unwell after eating something? Contact NHS 111 or your GP.