1, red grapefruit contains a lot of water, crude fiber, pectin and other nutrients, eat more will increase the degree of intestinal slip, causing bloating, diarrhea, loose stools and other discomfort.

2, red grapefruit is rich in fructose, organic acids and other ingredients, eat more on the mouth and teeth more stimulation, easy to cause mouth ulcers, toothache phenomenon.

3, it is recommended to eat 300 grams of grapefruit a day is appropriate, about 3-5 petals of grapefruit meat, do not eat more.