USDA FoodKeeper – Cold Storage Guidelines
Official refrigerator, freezer, and pantry timelines maintained by the U.S. Department of Agriculture.
Visit USDA FoodKeeperLast reviewed: January 2026
Reviewed by the Can I Eat Expired Editorial Team using official USDA, FDA, and CDC food safety guidance. How we assess food safety risk
May be safe if properly stored and showing no spoilage signs. Check carefully before consuming.
⏱️ Safe for up to 90 days after expiry if properly stored and showing no spoilage signs.
Storage conditions, initial freshness, and proper handling change the answer — and those details are easy to miss.
Get a yes / no answer for your infant formula un →
Check Your Exact Situation

Pantry
Room temperature
Keep in cool, dry place
365 days
Clumping, off smell, rancid taste
None - discard if spoiled
Breast milk, lactose-free formula
The expiration date on infant formula indicates the date until which the product is guaranteed to be at its highest quality in terms of nutrient content and freshness. Consuming formula past the expiration date may result in decreased nutritional value and potential changes in taste and texture. It is recommended to use the formula before the expiration date for optimal quality and safety.
To check if unopened infant formula has gone bad, look for any signs of discoloration, clumps, or unusual texture. Additionally, give it a sniff to detect any sour or off-putting odors. If you notice any of these visual, smell, or texture changes, it's best to discard the formula to ensure your baby's health and safety.
It is crucial to follow proper storage guidelines for infant formula to prevent the growth of harmful bacteria. Once the formula is opened, it should be refrigerated and used within 24 hours to reduce the risk of contamination. Improperly stored or expired formula can lead to foodborne illnesses such as salmonella or E. coli, especially in infants with developing immune systems.
To maintain the freshness and quality of unopened infant formula, store it in a cool, dry place away from direct sunlight and heat sources. Avoid storing formula near strong-smelling foods as it can absorb odors. It is best to use the formula before the expiration date to ensure maximum nutritional value. Additionally, always follow the manufacturer's instructions on storage and preparation to minimize the risk of contamination.
Infant formula has been used for centuries to provide essential nutrition to babies who are unable to breastfeed. In many cultures, formula feeding is a common practice and is seen as a way to ensure proper nourishment for infants. However, the World Health Organization recommends exclusive breastfeeding for the first six months of a baby's life to promote optimal growth and development.
Unopened Infant Formula stored in the pantry at room temperature should maintain its quality for up to 365 days. However, prolonged exposure to higher temperatures may shorten its shelf life. It's best to store it in a cool, dry place away from direct sunlight to preserve its freshness.
While unopened Infant Formula is typically stored in the pantry, refrigerating it unintentionally should not pose a safety risk. However, refrigeration may slightly impact the texture or taste of the formula. If the product remains unopened and within the expiry date, it should still be safe to consume after properly checking for any signs of spoilage.
Exposure to light can cause nutrient degradation and affect the quality of unopened Infant Formula over time. To maintain the formula's integrity, store it in a dark or opaque container and avoid leaving it in direct sunlight. Proper storage can help preserve the nutritional value and taste of the formula.
Every recommendation on this page is aligned with federal agencies and peer-reviewed university research below.
Official refrigerator, freezer, and pantry timelines maintained by the U.S. Department of Agriculture.
Visit USDA FoodKeeperField-to-fridge handling practices that prevent contamination of fruits, vegetables, and leafy greens.
Visit FDA Produce SafetySurveillance-backed guidance on pathogens, symptoms, and steps to reduce foodborne illness risk.
Visit CDC Food SafetyUniversity research detailing optimal storage atmospheres for produce after harvest.
Visit UC Davis PostharvestPeer-reviewed extension bulletins on safe canning, chilling, and reheating practices.
Visit Penn State ExtensionImportant: These are general guidelines based on authoritative sources listed above. Always use your best judgment and when in doubt, throw it out.