Edible bird’s nest, often referred to as “yến sào” in Vietnamese, is made from the saliva of swiftlets, primarily the Aerodramus fuciphagus species. These nests are prized for their high nutritional value and are a delicacy in many East and Southeast Asian cultures, particularly in soups and desserts. Known for their rich content of proteins, amino acids, and trace minerals, edible bird’s nests are believed to have various health benefits, such as promoting skin health, boosting the immune system, and enhancing recovery from illness.