If you eat red dragon fruit, your urine will turn red, which is a normal phenomenon and is not a cause for concern. Many foods have the effect of making the urine and stool change color, such as red amaranth, purple potatoes, etc., can also make the urine or stool turn red, mainly because these foods contain natural pigments caused by the health does not have any effect, after a few days and the pigment excretion clean can be restored. The reason why dragon fruit causes urine to turn red is because of the presence of betaine. Beet heme in the human body after the digestive system metabolism, not easily degraded by the body, it will be with the body’s feces or urinary system out of the body, which will lead to red stool or urine. Therefore, do not be afraid, after drinking more water and going to the bathroom a few times to defecate, the symptoms will be reduced and disappear accordingly.