How long does unopened margarine remain good?

An unopened tub of margarine will usually last 4-5 months in a 40°F refrigerator or 12 months in the freezer at 0°F. This generally applies to sticks or tubs of margarine.
 
Source(s):
Assistant Professor Franco Milani, Department of Food Science, University of Wisconsin
Land O’ Lakes consumer help line: 1-800-328-4155

 
 

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