Eat dragon fruit the vast majority may appear urine red, dragon fruit is divided into two kinds, one is the white dragon fruit, eat this type of dragon fruit urine will not turn red. The other is red dragon fruit, if you eat red dragon fruit eat more, this situation urine may become red. Because red dragon fruit is rich in a large number of red pigment, the majority of these red pigment eaten into the body, will not be absorbed and used by the body, part of the body through the stool, the other part will be absorbed through the blood into the blood circulation, through the urine formed after the body, this situation is red urine. The urine test does not have red blood cells, it is because of the dragon fruit caused by the red urine.