Royal Jelly is a gelatinous secretion from the glands of worker honey bees that is fed to the queen bee. This substance is believed to be responsible for the queen bee's longevity and fertility. Enriching Bee Factors Royal Jelly is standardized to contain a minimum 5% 10-HDA, the substance believed to be the essence of royal jelly. 10-HDA and other fatty acids found in royal jelly are strongly anti-bacterial and anti-fungal. Royal jelly can be diluted so the strength of royal jelly is measured by its 10-HDA content. A fresh, potent royal jelly product will have a measurable percentage of 10-HDA on the label. Royal jelly contains all the B complex vitamins, including high concentrations of vitamins B5 and B6, minerals, enzymes, hormones, amino acids and vitamins A, C, D and E. Royal jelly also contains acetylcholine, a substance that allows messages to travel from one nerve to another. It has been used for centuries as a nutritive tonic, to enhance immunity and may be especially helpful for those with bronchial asthma, liver disease and pancreatitis, insomnia, ulcers, skin disorders. Note: royal jelly is very delicate and can rapidly lose potency unless it is correctly processed and packaged. Be assured that Enriching Bee Factors Royal Jelly is carefully freeze-dried and processed according to very stringent standards. Enriching Bee Factors Royal Jelly is guaranteed to be fresh, potent and free of contaminants.