As a food safety expert, I can tell you that the safety of consuming expired candy depends on several factors, including the type of candy, how it was stored, and the nature of the expiration date itself.

Firstly, it's important to understand that there are different types of expiration dates. "Best by" dates are more about quality and flavor rather than safety, indicating when the manufacturer believes the product will be at its peak. "Sell by" dates are intended for retailers and are not directly related to the safety of the product for consumers. "Use by" dates are closer to a safety threshold, but they are still somewhat flexible.

Candy, especially those with low moisture content like hard candies or chocolate, can often last well beyond their "Best by" dates without posing a significant health risk. However, if the candy has been improperly stored, such as in a warm, humid environment, it can become a breeding ground for bacteria or mold, which can make you sick.

Additionally, if the candy was exposed to contaminants, such as if it fell on the ground or was improperly handled, it could also potentially cause illness.

In summary, while it's generally safe to eat candy past its "Best by" date if it has been properly stored and shows no signs of spoilage, caution should be taken with any food product that is past its "Use by" date or shows signs of being compromised.

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Expired candy can also carry microbes that can make you sick. Aramouni, who studies food safety and food allergies in his lab, said that there have even been cases of salmonella poisoning from the consumption of old chocolate.read more >>