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How long does diet powder mixes and drink mixes last?
Diet powder mixes and drink mixes keeps for about 18 to 24 months in the pantry. Counted from the date of purchase.
| Where | How long |
|---|---|
| Pantry | 18 to 24 months |
| Pantry, after opening | 1 to 3 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 Beverages.
How Known uses thisWhen a receipt lists diet powder mixes and drink mixes, 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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