It is the secretion of the pharyngeal glands of the young worker bees. It comes in the form of fluid gelatin, whitish in color, tending to yellow. It is indicated as an ``adaptogenic`` substance, which helps the body to maintain its balance despite the physical and psychic stresses that are very frequent in today's life. Royal jelly looks like a gelatinous substance, which is why it is also called ``royal jelly``. Its color is yellowish-white with pearly reflections, astringent in the mouth and with a sour taste, similar to that of yogurt, but also slightly sugary.