Foods that are black in color have the effect of tonifying the kidneys. When the kidneys are good, people will be energetic and the body will become better. So if people with symptoms of kidney deficiency eat black rice, black beans and black sesame seeds, it has a certain effect of tonifying the kidneys and strengthening the body. In addition, black rice, black beans and black sesame seeds also have a certain effect on gray hair, often eat these foods can slow down aging and enhance the physical condition of people. Often eat black rice, black beans and black sesame seeds on the human body is very good, usually should eat more, in addition, black sesame seeds are rich in vitamin E, women eat on the skin is also good, can beauty and color.