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How long does peanut butter, commercially produced, containing hydrogenated fat or other stabilizers last?
Peanut butter, commercially produced, containing hydrogenated fat or other stabilizers keeps for about 12 months in the refrigerator. Counted from the date of purchase.
| Where | How long |
|---|---|
| Pantry | 6 to 9 months |
| Pantry, after opening | 2 to 3 months |
| Refrigerator | 12 months |
| Refrigerator, after opening | 3 to 4 months |
Storage times are the USDA FoodKeeper guidance for quality and safety, not a guarantee; a printed use-by date on the package comes first. Source: USDA FSIS FoodKeeper (CC0), fetched 2026-10-27, category Shelf Stable Foods.
How Known uses thisWhen a receipt lists peanut butter, commercially produced, containing hydrogenated fat or other stabilizers, Known estimates an expiry from the purchase date and typical shelf life and shows which rule it used, for example "7-day rule". Shelf-stable staples get no date at all.
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