Royal jelly is a common health care product in the market. Royal jelly is not only nutritious, but also has many health care functions such as sterilization and delaying aging. Efficacy and function of royal jelly: (1) regulating endocrine. Pharmacological research shows that royal jelly can stimulate function and promote adrenocortical hormone, which is meaningful for health care. (2) Maintaining a nutritional balance is one of the most important factors to maintain human health. Supplementing essential nutrients for human body is one of the health care functions of royal jelly, which can regulate physiological functions and substance metabolism, enhance immunity, and prevent and treat various diseases, thus playing the roles of fitness, disease elimination and longevity. (3) Enhancing immunity and reducing human immunity are important causes of aging and death. Royal jelly contains royal jelly acid, taurine, vitamins and trace elements, which can improve human immunity. (4) Inhibition of lipofuscin. The health care function of royal jelly can obviously reduce lipid peroxide and lipofuscin in myocardial cells, and it also contains a large number of active substances that can activate the enzyme system and excrete lipofuscin. (5) The function of nucleic acid. Royal jelly is rich in nucleic acid and is the most basic "source of life" for human beings. Without nucleic acid, there would be no life. If the content of nucleic acid in human body is insufficient, it will affect the speed of cell division, cause cell defects, slow down the synthesis of protein, and lead to body injury, pathological changes, aging and even death. (6) scavenging free radicals. Excessive free radicals can damage tissues and blood vessels and accelerate aging. Superoxide dismutase contained in royal jelly is the main scavenger of free radicals, which makes people live longer. The above lists the health care functions of royal jelly, but reminding consumers to pay attention to choosing high-quality and reliable brands when purchasing can ensure the health care functions.