- How long does soy milk last once opened? The precise answer depends to a large extent on storage conditions — keep opened soy milk refrigerated and tightly closed.
To maximize the shelf of opened soy milk, do not store it on the fridge door, as the temperature is too warm - the opened soy milk will last longer when stored in the main body of the refrigerator, in its original package.
How long does opened soy milk last in the refrigerator? Soy milk that has been continuously refrigerated will keep for about 7 to 10 days after opening.
How can you tell if opened soy milk is bad or spoiled? The best way is to smell and look at the soy milk: if the soy milk develops an off odor, flavor or appearance it should be discarded.
Sources: For details about data sources used for food storage information, please click here