Quick answer
Refrigerate opened prune juice and follow the exact bottle's instructions. Sunsweet's European FAQ gives up to seven refrigerated days; Lakewood Organic Pure Prune Juice specifies two weeks for best quality and freshness. Do not choose the longer period for a different bottle. These directions assume correct handling and do not guarantee safety through a particular day. Sunsweet FAQ · Lakewood product directions
This guide covers commercially packaged ready-to-drink prune juice. Homemade drinks, concentrates needing dilution and mixtures with milk are different products.
Which instruction applies?
| Bottle or state | Guidance |
|---|---|
| Unopened juice labeled shelf-stable | Follow the date, storage directions and intact-seal checks. |
| Sunsweet juice covered by its European FAQ | Up to seven refrigerated days after opening; close the lid tightly. |
| Lakewood Organic Pure Prune Juice | Refrigerate and use within two weeks for best quality and freshness. |
| Another brand or formulation | Follow its own package; do not transfer these examples. |
Sunsweet does not identify its seven-day endpoint as a precise safety cutoff. Lakewood explicitly describes its two weeks as a quality recommendation. A shorter period on your current package takes priority over a website example.
The printed date does not replace the opening date
Lakewood explains that its cap's best-by date concerns sealed, correctly stored juice. Its unopened products are shelf-stable, while opened bottles need refrigeration. Opening a bottle with months left on that date does not give you months to finish it. Lakewood help center
Write the opening date on the bottle. Keep it covered at 40°F (4°C) or below, pour into a clean glass, replace the cap and return it promptly. Protect it from raw-food spills and dirty utensils. A smaller bottle may help if you regularly have more left than you can use. FDA safe-storage advice
What if it was left warm?
The federal power-outage chart lists opened fruit juice as “keep,” unlike opened vegetable juice. A blanket two-hour discard claim for every opened fruit juice would misrepresent that chart. FoodSafety.gov outage chart
That emergency guidance does not create a room-temperature shelf life or override your bottle's refrigeration instructions. An uncertain history cannot be resolved by its best-by date. Discard suspicious juice and ask the maker about a specific storage problem rather than borrowing another product's timetable.
FAQs
Is sediment a sign it has gone bad?
Not necessarily. Lakewood says natural juice can settle and directs shaking before serving. Mold or a suspicious odor or appearance calls for discarding; normal appearance cannot prove safety. Do not take a test sip of questionable juice.
Can I freeze prune juice?
Check the brand. Sunsweet's European FAQ permits up to 30 days frozen and advises against glass bottles or jars. It does not classify that endpoint as quality or safety. Use suitable freezer packaging with expansion space and freeze while the juice still meets its storage instructions.
Does thawing start a fresh seven days?
The cited makers do not establish a new full period after thawing. Thaw in the refrigerator and follow the product's instructions instead of resetting the opening clock.
Sources
Sources and draft evidence reviewed October 31, 2026. Manufacturer advice applies to the named product; follow stricter local guidance and your package. How we research our guides.