The chemical composition of chicken eggs contains more than ten main vitamins - choline, B vitamins (B1, B2, B6, B9, B12), A, C, D, E, K, H and PP, as well as almost the entire table of Mendeleev's chemical elements - potassium, calcium, magnesium, zinc, selenium, copper and manganese, iron, chlorine and sulfur, iodine, chromium, fluorine, molybdenum, boron and vanadium, tin and titanium, silicon, cobalt, nickel and aluminum, phosphorus and sodium.