Eat black sesame stools will not be black. The black color in black sesame is due to the presence of flavonoids, which are antioxidants. The black color of black sesame is due to the large amount of melanin, but eating black sesame does not cause the stool to turn black. Usually black sesame is rich in nutrients, contains a lot of vitamin E, also contains a lot of vitamin A, and a lot of fatty substances. Therefore, it can be used for anti-aging, stomach health, liver protection, red blood cell growth, and hair and beauty care. After entering the body, black sesame is absorbed and metabolized by the nutrients, and can have the usual laxative effect, which can accelerate intestinal peristalsis and improve constipation in patients with chronic constipation and hemorrhoids. However, black sesame does not cause the color of the stool to become black, and animal offal, other vegetables containing a lot of chlorophyll, into the body and will not be metabolized and decomposed to produce the elements that cause the stool to become black, so eat black sesame will not produce the phenomenon of darkening of the stool.