Royal jelly is comprised of water, carbs, protein and fat . The full chemical makeup of royal jelly is unknown, but its positive effects on health are thought to stem from its unique proteins and fatty acids (1, 2). These include nine glycoproteins collectively known as major royal jelly proteins (MRJPs) and two fatty acids, trans-10-Hydroxy-2-decenoic acid and 10-Hydroxydecanoic acid. …