UPS in food refers to the shipping company UPS and its services for shipping food items, including perishable and frozen foods. UPS provides temperature-sensitive shipping solutions that are designed to maintain the quality and freshness of food items during transit. To ensure the safe transportation of perishables, it is essential to follow UPS guidelines and requirements for shipping frozen or refrigerated food. UPS offers various shipping services for frozen food, including UPS Next Day Air, UPS 2nd Day Air, and UPS 3 Day Select. It is important to pack food items properly to prevent thawing and leaks, and to use a shipping service that has a maximum shipping time of 30 hours. Before sending food to another country, it is recommended to have UPS shipping experts determine if the country has any restrictions.