Chicken eggs are considered to be nature’s perfect food. In 2006, the American Heart Association have revised their previous standpoint and, presently, they do not limit egg consumption in the weekly diet plan. Considering the newly discovered multifunctional properties, chicken eggs are a rich source of bioactive compounds known, also, as nutraceutics. The latter are important nutrients and medicals for humans. All chicken eggs retain those special features irrespective of how they are obtained. In the paper, there were characterized in detail the newly discovered pro health properties of the following egg components: lysozyme, cystatin, avidin, ovotransferrin, lecithin, lutein, zeaxanthin, retinol, cholecalciferol, α-tocopherol, phosvitin, immunoglobulin (IgY), and sialic acid. There were also described the designed eggs the composition of which was enriched with desirable components, to be obtained under a feeding schedule for those birds.