does opened mayonnaise last in the fridge?
Commercial mayonnaise is commonly recommended for use within about two months after opening when continuously refrigerated and properly handled, although product-specific guidance can differ.
Does unopened mayo need to be refrigerated?
Commercial mayonnaise is generally shelf-stable while unopened, provided the label does not require refrigeration. Once opened, it should normally be refrigerated.
Can mayo go bad in the refrigerator?
Yes. Refrigeration slows spoilage but doesn’t stop it indefinitely. Older mayonnaise can eventually develop unpleasant odors, discoloration, mold, or changes in texture.
Can you eat mayo after the best-by date?
A best-by date primarily
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