The general market sale of milk in the shelf life of the formulation of the majority of consumers to leave a way back, if you buy a bottle of milk for the shelf life of 7 days, then it may be the actual shelf life of 10 days, the milk is not really to the shelf life of the deadline of the day on the sudden bad. Therefore, if the milk has reached the end of the shelf life, but from all the sensory judgment are not spoiled, then the milk can still be safely consumed. If four or five days have passed, although not spoiled, but the nutritional value is also very little left, this time it is best not to drink.

Additionally, the ability to consume food that is slightly past its shelf life is also related to one's physical condition. Young people in good health may have no adverse reaction if they consume foods that are just past their shelf life, while people who are already in poor health, such as the elderly and the sick, may have a more pronounced reaction if they eat foods that are past their shelf life.