In the U.S., while the Food and Drug Administration (FDA) does not require all products to be labeled with an expiration date, expiration date labeling is regulated for certain products, and therefore suppliers and manufacturers are expected to comply with special standards and regulations.
For most common food products, the FDA does not require manufacturers to include expiration dates on product labels. However, for specific types of products such as infant formulas, the FDA has specific requirements to label the expiration date to ensure the quality of the product before it is used.
Dietary supplements usually do not require expiration date labeling, but if manufacturers intend to label them, they need to ensure that the information is not misleading to consumers. For cosmetics, many manufacturers provide a "use by" date (PAO) even though there is no federal law requiring expiration date labeling.
When it comes to drugs, the FDA has strict regulations on expiration dates. This includes, but is not limited to, prescription and over-the-counter drugs, which must have a clearly labeled expiration date on the package to ensure that the drug maintains its stability and effectiveness under specified conditions. For example, antibiotics, vaccines and prescription drugs usually have clearly labeled expiration dates.
As for medical devices, although most of them are not required to be labeled with expiry dates, such as sterile medical supplies (e.g. surgical blades, syringes) and certain diagnostic equipment, these are often required to specify their quality assurance periods or expiry dates to ensure their safety and effectiveness during use.
In summary, when adding expiration date labels to their products, manufacturers need to first refer to FDA regulations and also ensure that the information on the label is true and accurate and not misleading to consumers.
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