Food Storage - How long can you keep...


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1 week after "sell by" date on package
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3-4 months


  • How long does lactose-free milk last? The precise answer to that question depends to a large extent on storage conditions - to maximize the shelf life of lactose-free milk, keep it refrigerated at all times.
  • How long does lactose-free milk last after the sell-by date? Lactose-free milk will generally remain drinkable for about one week after the "sell-by" date on the package, assuming it has been continuously refrigerated; be sure to keep the temperature of your refrigerator at or below 40° F at all times.
  • To maximize the shelf of lactose-free milk, do not store it on the fridge door, as the temperature is too warm - the lactose-free milk will last longer when they stored in the main body of the refrigerator, in its original package.
  • How long can lactose-free milk be left at room temperature? If kept at temperatures above 40 °F, lactose-free milk will rapidly develop signs of spoilage; lactose-free milk should be discarded if left out for more than 4 hours at room temperature.
  • To further extend the shelf life of lactose-free milk, freeze it; frozen lactose-free milk will often become separated and the texture may become somewhat grainy, but it is usually acceptable for cooking and baking purposes.
  • Freeze lactose-free milk in an airtight container and leave at least 1/2 inch headspace at the top, as lactose-free milk will expand when frozen; thaw in refrigerator.
  • How long does lactose-free milk last in the freezer? Properly stored, it will maintain best quality for about 4 months, but will remain safe beyond that time.
  • The freezer time shown is for best quality only - lactose-free milk that has been kept constantly frozen at 0° F will keep safe indefinitely.
  • How to tell if lactose-free milk is bad? The best way is to smell and look at the lactose-free milk: signs of bad lactose-free milk are a sour smell, off color and a thick or clumpy texture.

Sources: For details about data sources used for food storage information, please click here

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