Other name: honey bee milk, royal bee jelly. Royal jelly is a milky secretion produced by worker honey bees to feed and raise the queen in a hive. The bees make it from secretions of their feed juice and glands. The larvae of worker bees are fed this royal jelly for the first three days of its lives but the queen bees are fed this royal jelly for the extended period or throughout their lives. Royal jelly could turn the sterile worker larvae into a huge queen.

The queen bee weighs from 0.3 mg to 150 mg and is able to lay 1500 of eggs in a day. The queen bee living on this foodhas the lifespan of 4 to 6 yearswhereas the worker bees live for 35 to 40 days. Royal jelly is loaded with calories due to the presence of carbohydrate, protein and its fatty acid content ,it is Calorie-dense foods can be preferable for men, as men typically have higher calorie needs than women according to the U.S. Department of Agriculture.

It typically contains about 60% to 70% water, 12% to 15% proteins, 10% to 16% sugar, 3% to 6% fats, and 2% to 3% vitamins and amino acids. Its composition varies depending on geography and climate.

It is rich in nutrients such as copper, calcium, phosphorus, iron, sulfur, silicon, potassium, biotin, vitamins, folic acid, inositol,So it is considered as an instant source of energy.

It has antioxidants activities, enhances immunity, promote men fertility, nourish the skin and enhance the growth of muscles.