Can expired cheese sticks be eaten after being frozen?

Generally speaking, expired cheese sticks are not recommended for consumption even if they have been frozen. The detailed explanation is as follows:

During the freezing process of expired cheese sticks, although low temperatures can slow the growth of microorganisms and chemical reactions, they cannot completely prevent these processes. After the expiration date, the nutritional components in cheese sticks, such as proteins and fats, may gradually decompose, leading to a reduction in nutritional value. Meanwhile, the water content in cheese sticks may freeze, causing changes in texture and taste. Additionally, expired cheese sticks may harbor bacteria, molds, and other microorganisms. Although the growth of these microorganisms is slowed under freezing conditions, they are not completely eliminated. Consuming them may pose health risks, such as causing abdominal pain, diarrhea, or other symptoms of food poisoning.

Even when stored in the freezer, expired cheese sticks can still spoil. Spoiled cheese sticks may develop unpleasant odors or discoloration—changes caused by microbial activity and chemical reactions. Eating spoiled cheese sticks not only compromises taste but also poses serious health risks. This is especially true for sensitive groups such as children, pregnant women, and the elderly, who may experience more severe health problems if they consume expired or spoiled cheese sticks.

Before consumption, carefully inspect the appearance and odor of the cheese sticks to ensure there are no signs of spoilage or off odors. If the cheese sticks are found to be expired or spoiled, they should be discarded immediately and not consumed.