Can pitaya and watermelon be eaten together?
Under normal circumstances, dragon fruit and watermelon can be consumed together, but attention should be paid to controlling the intake amount. Detailed analysis is as follows:

Dragon fruit and watermelon do not have conflicting nutritional components. Watermelon is rich in water, glucose, vitamin C, lycopene, and other nutrients, which help replenish fluids, provide energy, and offer antioxidant benefits. Dragon fruit contains abundant dietary fiber, vitamin B, vitamin C, iron, magnesium, and other nutrients, which help promote intestinal motility, enhance immunity, and maintain overall health. Consuming dragon fruit and watermelon together is generally safe.
However, moderation is important, as excessive consumption of dragon fruit and watermelon may irritate the gastrointestinal tract, causing discomfort symptoms such as abdominal pain and diarrhea. Additionally, individuals with diabetes, gastrointestinal disorders, or allergies to components of either fruit should avoid consuming them together.
Furthermore, in daily diet, it is important to maintain balanced nutrition and diverse food intake, avoiding excessive consumption of any single food to promote overall health.