shelf life of margarineMargarine is an emulsion of water and vegetable oils, such as canola, safflower, sunflower, corn, soybean, or peanut oil. Margarine is a popular alternative to butter. Heart-healthy margarines with zero or minimal trans-fat are now widely available.


We asked the experts how long to keep margarine and how best to maintain its quality.


Margarine Shelf Life
Margarine, unopened4-5 months1 year
Margarine, opened1 month- -
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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