Can expired powdered milk that hasn't been opened and is three months past the expiration date still be consumed?

Nov 14, 2024 Source: Cainiu Health
Dr. Zhou Xiaofeng
Introduction
In general, if infant formula has expired by three months, it should not be consumed even if unopened. Infant formula is a nutrient-rich food containing abundant protein, fat, and various trace elements; moderate consumption helps supplement essential nutrients for the body. When formula has been expired for three months—a relatively long time—harmful substances may develop due to microbial growth or degradation of nutrients, even if the package remains sealed.

Generally speaking, if infant formula has expired for three months, it should not be consumed even if unopened. The analysis is as follows:

Milk powder is a high-nutrition food containing abundant proteins, fats, and various trace elements. Consuming it appropriately helps supplement essential nutrients for the body. When milk powder has been expired for three months—a relatively long time—even if unopened, its quality may have deteriorated due to microbial growth or degradation of nutritional components, potentially producing harmful substances, making it unsuitable for consumption. The taste and quality of expired milk powder will also change; it may become stale or develop unpleasant odors. These changes not only affect palatability but may also pose risks to human health.

When purchasing milk powder, always carefully check the production date and shelf life. Choose products with the most recent manufacturing dates and try to consume them within their expiration period. Once you find that the milk powder has expired significantly past its shelf life, stop using it immediately and switch to fresh, qualified products. When disposing of expired food, pay attention to environmental protection and properly discard it to avoid environmental pollution.

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