1, grapefruit can't be eaten with some medicines.

Grapefruit and many drugs can't be eaten together. Grapefruit contains an active enzyme, which can react with the pharmaceutical ingredients in the gastrointestinal tract after eating, which will not only affect the absorption of drugs and reduce their therapeutic efficacy, but also have a certain impact on the liver, reduce its detoxification ability, and even cause poisoning in severe cases.

Common drugs that cannot be eaten with grapefruit are: cyclosporine, caffeine, calcium antagonists, cisapride and so on.

2, grapefruit can not be eaten with birth control pills.

Walking by the river often, how can you not wet your shoes, especially young men and women, because they are not prepared for sexual life and often have the risk of pregnancy. It is common for many young men and women to take some birth control pills afterwards, but if you take grapefruit at the stage of taking this medicine, the effect of this medicine will not be exerted, and it is very likely that you will get pregnant after taking it.

People with diarrhea should not eat grapefruit.

Grapefruit is a cold food of traditional Chinese medicine, which has the effect of moistening intestines and relaxing bowels. Normal people may cause diarrhea after eating grapefruit, while people who are suffering from diarrhea should not eat grapefruit, which will aggravate diarrhea.

4, grapefruit should not be eaten in large quantities.

Grapefruit is cold, so it is not suitable for eating in large quantities. It is easy to cause stomach weakness, diarrhea, abdominal pain and other uncomfortable reactions. At the same time, grapefruit contains more plant acids, which will stimulate the gastrointestinal tract to some extent. Eating a lot of grapefruit will lead to excessive gastric acid secretion, which seriously affects the acid-base balance in the body and is not suitable for your body.