Eat the red dragon fruit urine becomes red, belongs to a normal physiological metabolic phenomenon, do not be nervous. Because red dragon fruit is rich in red and purple pigments, when eating red dragon fruit, after digestion, absorption, these pigments along with nutrients will also be absorbed into the body, through the body’s metabolism, and finally through the kidney secretion to form urine and excretion. Because the urine contains red and purple pigments that make the urine red, generally only the color of the urine changes, there is no urgency, urinary frequency, painful urination and a series of uncomfortable symptoms. If you are not sure, you can go to the hospital for a routine urine test or a urological ultrasound. No positive results in the routine urine test or urological ultrasound are completely normal.