Royal Jelly is made by bees to feed their young and is the sole food for the queen bee throughout her life. Thriving on this diet, the queen bee will live as long as five years, or fifty times longer than the average worker bee. Each day of her extraordinary life she will lay more than 1500 eggs, ensuring the survival of the hive. Bees make propolis by collecting the sap of conifers and poplar trees and mixing it with wax and bee secretions. Bees use this strong, dark, and sticky substance to line the surfaces of the hive, filling in the small gaps that might allow parasites to enter and sealing over the surfaces where bacteria might compromise the health of the hive.