What Is Fresh Royal Jelly? Royal jelly is produced by young worker bees to feed the adult queen bee and young larvae. This natural compound can turn a normal bee into a queen. It contains more than 185 active ingredients such as protein, amino acids, essential fats, race minerals, enzymes, vitamins, vitamin B6, vitamin C vitamin A, pantothenic acid, and monosaccharides. Its antibacterial and antibiotic properties are well known.