Royal jelly is used for asthma, hay fever, liver disease, pancreatitis, type 2 diabetes, diabetic foot ulcers, sleep troubles (insomnia), fatigue (tiredness) secondary to cancer, premenstrual syndrome (PMS), infertility (inability to have a child), menopausal symptoms, stomach ulcers, kidney disease, bone fractures, menopausal symptoms, skin disorders, and high cholesterol. It is also used as a general health tonic, for fighting the effects of aging, and for boosting the immune system.