Yes, dragon fruit does promote laxative.

Because there are many black seeds in the flesh of dragon fruit, most of these fruit seeds are fibers that cannot be digested and absorbed by the intestines, they stimulate intestinal peristalsis and promote faster elimination of intestinal contents from the body.

The dragon fruit has the following nutritional value:

1, albumin in dragon fruit is viscous, gelatinous substances, heavy metal poisoning has detoxification effect.

2, dragon fruit contains vitamin E and a more special component - anthocyanins. Anthocyanins are contained in grape skins, red beets and other fruits and vegetables, but dragon fruit fruit has the highest anthocyanin content.

3, at the same time, dragon fruit also contains skin whitening vitamin C and rich with weight loss, lower blood sugar, laxative, colon cancer prevention of soluble dietary fiber.

4, per 100g dragon fruit fruit also contains fat 0.21 ~ 0.61g, fiber 0.7 ~ 0.9 mg, carotene 0.005 ~ 0.012mg, Ca 6.3 ~ 8.8mg, P 20.2 ~ 26.1mg, and contains only 56.65 calories. This shows that dragon fruit is a low-calorie, high-fiber fruit.

Reference: People's Daily Online? Diet new knowledge: eat dragon fruit to prevent constipation