edible bird's nest

Edible bird's nest is a natural product made from the hardened saliva of certain swiftlet species, primarily Aerodramus fuciphagus. It is highly prized in traditional Chinese medicine and cuisine for its purported health benefits and unique gelatinous texture when dissolved in water. The nests are composed mainly of glycoproteins (including proteoglycans), carbohydrates, sialic acid (notably N-acetylneuraminic acid), trace fats, minerals such as calcium and iron, amino acids, glucosamine, fatty acids, vitamins, and antioxidants[1][4][6]. Traditional uses include promoting skin health and lightening (attributed to N-acetylneuraminic acid inhibiting tyrosinase activity), supporting immune function by stimulating lymphocyte division (possibly due to proteoglycans), enhancing energy/metabolism/circulation/libido per traditional claims[4][5][6]. Preliminary research suggests potential antiviral properties against influenza viruses via sialylated glycans/N-acetylneuraminic acid; neuroprotective effects through antioxidant action; possible anti-cancer activity; and support for bone health based on animal studies[3][4][5][6]. However, robust clinical evidence for these effects remains limited. The product is consumed as a food supplement or delicacy—most commonly in soups or desserts—and not as a regulated pharmaceutical drug.

Other names

bird's nestEBNcubilose燕窩 (yànwō)Yan Wo