Is it normal to pass the dragon fruit I ate in the morning during lunchtime?

It is generally normal for dragon fruit consumed in the morning to be excreted by noon.

Dragon fruit is a common fruit rich in vitamins, trace elements, and dietary fiber. It helps nourish the body and accelerates gastrointestinal motility, thus promoting bowel movements and relieving constipation. Typically, about 3 to 5 hours after eating dragon fruit, some metabolic byproducts may begin to be expelled from the body. If red-fleshed dragon fruit is consumed, stools may appear reddish—this is usually a normal physiological phenomenon.

After eating dragon fruit, it's important to monitor your physical condition. If symptoms such as fever, nausea, vomiting, abdominal pain, or bloating occur, diarrhea might be caused by pathological factors, and medical attention at a reputable hospital is recommended.

In daily life, avoid consuming excessive amounts of dragon fruit at once, as this could lead to diarrhea. When diarrhea occurs, it's advisable to eat light, bland foods and drink plenty of water to prevent dehydration.