Eat red dragon fruit, urine is possible to turn red, because the red flesh of the dragon fruit contains betaine. Betaine is a natural pigment, after eating can be metabolized by the kidneys will be discharged from the stool or urine, the color will be a light pink, belongs to the normal phenomenon. The coloring group of red dragon fruit is relatively stable, not easily degraded by the body, it will be excreted with the feces or urine, so the excrement will appear red, this situation does not need to worry, generally drink more water, more urination will soon be metabolized out, the urine color will return to normal. Beet red pigment is one of the ideal natural red pigments, there is no damage to the human body, so there is no need to worry. If you are afraid that there is something wrong, you can do a routine urine and urinary ultrasound to see if there is a problem with the urinary system or not.