9) Eggshells
Eggshells are mostly composed of calcium carbonate, which looks white to human eyes, according to The Book of Eggs. However, some eggshells have ultraviolet colors that are not visible to human eyes, but are likely seen by birds.
5) Healthy Fats And Protein Eggs contain high levels of healthy fats and protein. Healthy fats help you feel full and satisfied, whilst protein helps you build muscle. Moreover, eggs contain antioxidants that help decrease the effects of aging and fight cancer.