10 Major Side Effects of Eating Too Many Grapefruit

Grapefruit is a citrus fruit that grows on the hybrid plant of the same name. It is hybrid as it originated from the accidental cross between the sweet orange and pomelo. Grapefruit is not only delicious but is also loaded with a number of compounds like vitamins, minerals, antioxidants, flavonoids, dietary fibers, etc. We have already talked about the major health benefits and beauty benefits of grapefruit, and in this article, we will talk about the major side effects of eating too many grapefruits. In general, grapefruit is a safe fruit and provides a lot of health benefits and beauty benefits, but still, it is better to eat them in moderation as overeating grapefruit is bad for our health.


Side Effects of Eating Too Many Grapefruits

Side Effects of Eating Too Many Grapefruits


(1) Grapefruit During Pregnancy And Breastfeeding

Pregnant women and nursing women must ensure that they are eating a healthy diet as their diet also affects the health of the baby that depends on them for nutrition. There are certain fruits that must be avoided in pregnancy and grapefruit is one such fruit. Although grapefruit is very delicious and is loaded with a number of compounds like vitamins, minerals, antioxidants, flavonoids, etc., not much is known about the effect of eating grapefruit during pregnancy and breastfeeding stage.

So, for the sake of healthy pregnancy and nursing experience, it is better to stay on the safe side and say no to grapefruit during pregnancy and breastfeeding stage.

(2) Increased Risk of Breast Cancer

Grapefruit is a good source of a number of antioxidants like vitamin C etc. which fights with the free radicals of our body, stabilizes them and thus prevents them from causing damage to our body. By stabilizing free radicals, they also reduce the risk of development of various types of cancers. However, it has been found that grapefruit is not so healthy for postmenopausal women. It has been suggested by research that postmenopausal women who drink a quarter or more of grapefruit juice on a daily basis are at 25 to 30 % higher risk of developing breast cancer.

This risk associated with grapefruit is possible because of the ability of grapefruit juice to increase estrogen levels in our body ( by decreasing estrogen breakdown in our body. It is interesting to note that a 2008 study published in the “New York Times” have suggested that there is no link between the grapefruit intake and the increased breast cancer risk.   Further researches are needed to know about the subject in detail.

For a safe side, it is better to reduce the grapefruit consumption once you are in your postmenopausal stage.

(3) Increased Risk of Hormone Sensitive Cancers & Conditions

Eating too many grapefruits is not good for our hormones as they might increase hormone levels in our body. The consequence of this can be very bad as it may increase the risk of hormone-sensitive conditions. It is suggested that women who are suffering from hormone-sensitive conditions or who are at risk of hormone-sensitive conditions should avoid grapefruit.

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(4) Grapefruit Contradictions

Regular and moderate consumption of grapefruit is very beneficial for our health because of the number of vitamins, minerals, antioxidants, flavonoids, dietary fibers, etc. present in them. However, there are also some contradictions associated with grapefruit.

Because of these contradictions, it is better to eat grapefruit with caution, and in some cases, it is better to avoid grapefruit altogether. Like, patients suffering from major heart muscle disorders should avoid pink grapefruit as pink grapefruit may possess the ability to disturb normal heartbeats.

In the same way, consuming grapefruit on a regular basis can also increase or decrease blood levels of several drugs.

(5) Interaction With Certain Medications

Grapefruit may interact with certain medications and inhibits their performance. However, such cases are very rare but for a safer side, it is better to limit grapefruit intake while you are on medication. Depending on the drugs and the way grapefruit interact with them, sometimes it is advisable to avoid grapefruit altogether ( while you are on medication).


(6) Increased Risk of Pectin-Induced Asthma

Grapefruit may cause allergic reactions in some individuals, especially in individuals who are allergic to pectin. Such individuals should avoid eating grapefruit as it may also induce pectin-induced asthma.

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(7) Toxicity of Grapefruit Seed Extract

The delicious grapefruit which provides so many health benefits have been found to be nontoxic for human consumption. The D-limonene constituent present in grapefruit has been generally recognized as safe, but it has also been found that grapefruit seed extract is toxic to human skin.

(8) Grapefruit Interaction With Statins

If you are dealing with high cholesterol and taking prescription drugs ( mainly statins ) for the same, then it is better to avoid consuming grapefruit. This is because grapefruit may interact with statins negatively and increases the risk of side effects. It has been found people over 65 years of age are at a higher risk of developing side effects from statins. Eating grapefruit while you are prescription drugs like statins further, increases this risk.

Some of the common side effects associated with statins are muscle breakdown, liver damage, digestive problems, increased blood sugar, neurological side effects, joint pain, and muscular pain. As per the FDA, muscle breakdown risk and liver damage risk is also associated with increased risk of kidney failure. Some of the common neurological side effects associated with statins are confusion, memory loss, etc. ( source)

(9) Weight Gain

Regular and moderate consumption of grapefruit can be used as an effective and healthy way to lose weight. This is because of the low calorific value ( 42 calories per 100 grams of grapefruit), dietary fibers and high water content present in them. The dietary fibers present in grapefruit make us feel fuller for a longer time and decreases our urge to eat again and again. By doing so, it controls overeating and thus helps in controlling obesity.

In addition to this, the high water content ( around 91 percent) of grapefruit also plays an important role in weight management.

However, it should be noted that consuming too many grapefruits can have a negative effect on our weight loss regime and it can even lead to weight gain. This is mainly because of the high level of natural sugars in grapefruit, which promotes weight gain.

Suggested Read:-  7 Major Side Effects of Consuming Too Many Jujubes


(10) Side Effects of Eating Too Much Fiber

Grapefruit is very good for our stomach and plays an important role in keeping our digestive system healthy. It is a good source of dietary fibers which regulates bowel movement and ensures smooth elimination of stool out of the body and thus provides relief from constipation. However, there are some side effects of high fiber intake.

Some of the common side effects of consuming excessive dietary fibers are gas, bloating, stomach cramps, diarrhea, dehydration, improper absorption of nutrients, etc. (source ).










The information contained in the post is for general purpose only and shouldn’t be considered as medical advice or as an alternative to medical advice. Although I’ve tried my best to keep the information contained in this post as accurate and updated as possible, I make no guarantee of the accurateness of the same.

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