14 Health Benefits of Grapefruit

What is a Grapefruit?

The grapefruit (Citrus × paradisi) is a subtropical citrus tree known for its relatively large, sour to semisweet, somewhat bitter fruit.[1] The interior flesh is segmented and varies in color from pale yellow to dark pink

It is a cross between a pomelo and an orange and is commonly associated with dieting and weight loss. Grapefruit got its name because it grows in clusters, like grapes. If you’re a grapefruit lover, reap the benefits of this super-nutritious fruit by enjoying a serving before meals.

Half a grapefruit contains just 39 calories but provides 65% of the reference daily intake (RDI) for vitamin C. Red varieties also provide 28% of the RDI for vitamin A.

Grapefruit Juice

A half grapefruit or a glass of grapefruit juice before meals may help fill you up, so you’ll eat fewer calories at meals and potentially lose weight.

Drinking a glass of grapefruit juice before bed helps in regulating the secretion of insulin in your body. Grape juice has low-calorie content and is rich in Vitamin C and potassium, which is also great for your skin.

Both grapefruit and grapefruit juice are healthy, but grapefruit contains more fiber, less sugar, and fewer calories per serving than grapefruit juice, so it is a more nutritious option.

Grapefruit juice can also spike your blood sugar more than the fruit itself. If you opt for the juice of any kind, do not drink more than 6 ounces a day and going only for 100% juice products that don’t have added sugar.

Which is Better, Pink or White Grapefruit?

Pink and white grapefruit are equally tart, yet most people prefer pink grapefruit because of the perceived sweeter taste.

The two differ mostly in that pink grapefruit contains more beta carotene, which is responsible for the reddish hue. Beta carotene has been linked to lower rates of cancer.

Where I live right now, we grow oranges and grapefruits that are out of this world. Why? Because they taste so sweet and so juicy.

The grapefruit has not even a slightly bitter taste nor a tart taste. You would not think that you were eating grapefruit. They just taste so well and that is why they are just so precious and highly regarded here as well as the oranges.

14 Health Benefits of Grapefruit?

1. Highest Water Content

At about 92% water, grapefruit has one of the highest water contents of any fruit. That makes it good for overall health.

“All of our body systems and process require water,” Wesley Delbridge, RD, a Phoenix-based dietitian, tells Health. “Proper hydration makes your body more efficient in everything you’re doing.”

Grapefruit delivers a lot of nutrition and water for very few calories: there are just 39 calories in one-half of a grapefruit. So it’s a great choice if you want to boost your intake of high nutrient, low-calorie foods.

2. It Helps with Weight Loss

Grapefruit is low in sugar and high in fiber, and one serving size is pretty large, so chances are you’ll feel satisfied for a while after eating it.

People reported losing 7.1 percent of their body weight on average after eating grapefruit or drinking grapefruit juice before their meals for 12 weeks, according to a study in Nutrition & Metabolism.

Grapefruit is very low in calories and high in vitamins A and C. It may be a healthy snack before main meals to help reduce your overall food intake.

Half a grapefruit contains just 39 calories but provides 65% of the reference daily intake (RDI) for vitamin C. Red varieties also provide 28% of the RDI for vitamin A.

What’s more, grapefruit has a low glycemic index (GI), which means it releases sugar into your bloodstream more slowly. A low-GI diet may aid weight loss and weight maintenance, though the evidence is limited.

3.The Pith Has Nutritional Value Too.

When you peel away the outer layer of a grapefruit, you may be tempted to pick off the white flesh that is between you and the juicy fruit and throw it away.

While the pith of grapefruit can have more of a bitter taste than say, oranges, it’s worth eating along with the fruit (if you can).

That [pith] is very rich in antioxidants and nutrients and also soluble fiber which is going to help you feel fuller and impact your glucose reactions.

Fiber can help lower blood sugar, cholesterol, and possibly even colon cancer risk

The fiber in grapefruit may also help prevent colorectal cancer while fruits high in vitamin C and beta-carotene, which is in pink and red grapefruit, may lower the risk of esophageal cancer.

4. It Is a Rich Source of Antioxidants.

Grapefruit is a rich source of antioxidants such as vitamin C. These can help combat the formation of free radicals, which experts believe give rise to cancer.

A small grapefruit can provide 68.8 mg of vitamin C. The recommended adult intake of vitamin C is 75 mg per day for women and 90 mg for men.

Some research indicates that not having enough vitamin C (and other micronutrients) may actually hurt your immune system, especially if you’re elderly.

Grapefruit may not prevent a cold but the vitamins inside may reduce your suffering or possibly the duration of a cold.

The Deeper the Color the Better

All the grapefruit colors are packed with goodness, vitamins, and nutrients but the red and pink ones come with a little extra.

They have a higher antioxidant level, specifically beta carotene. They also have lycopene, another antioxidant.

Lycopene is one of a group of carotenoids or pigments that gives hued grapefruit (and other fruits and vegetables) their color. Eating diets rich in carotenoids may lower the risk of heart disease and some cancers.

Antioxidants, in general, may play a key role in preventing cancer. The compounds in citrus fruits reduce inflammation and stop cancer cells from multiplying. They may also help repair damaged DNA, which contributes to the development of tumors

5. Grapefruit Is Good For Your Skin.

Citrus fruits such as oranges and grapefruits are particularly effective at brightening and reviving the skin due to their acidic properties. …

Packed with antioxidants that help to combat the free radicals the skin may be exposed to, grapefruits are vitamin powerhouses for the skin.

In particular, they’re a good source of vitamin A, which is important for supporting the immune system and keeping the eyes and skin healthy, folate, which is key for a baby’s development during pregnancy, and vitamin C, helping to maintain healthy skin.

Grapefruit also contains some magnesium, potassium, and calcium.

One-half of one grapefruit contains 28% of your daily value of vitamin A (based on a 2000-calorie daily intake) or far more than the 4% in oranges.

This first vitamin in the alphabet is good for your eyes, not to mention your heart, lungs, kidneys. and other organs.

6. Grapefruit May Speed Wound Healing

Vitamin C helps form healthy scar tissue and new blood vessels, both of which help return your body to a healthy state. A grapefruit contains about 72 mg of vitamin C, which is 120% of the daily value.

Vitamin C speeds up wound healing post-surgically. It is advisable for people to take 500 milligrams of vitamin C before they go into surgery.

Always ask your doctor before adding vitamins, minerals, or any herbal supplements to your daily regimen, especially if you’re about to have surgery.

In this case, that goes for grapefruit too, given its ability to affect the metabolism of certain drugs.

7. Grapefruit is Good for Kidneys.

Grapefruits are great fruits: Citrus juice could keep your kidneys healthy, according to a new study from the U.K. Researchers discovered that a flavonoid called naringenin—found in grapefruit, oranges, and tomatoes—regulates a protein that decreases growths related to kidney cysts, which can lead to kidney failure.

8. Grapefruit Cleans Your Arteries

A grapefruit a day may help lower “bad” LDL cholesterol levels by as much as 15.5%, according to a 2006 study in the Journal of Agricultural and Food Chemistry.

In one study, animals fed a high-cholesterol diet plus grapefruit pectin had 24 percent narrowing of their arteries, versus the control with 45 percent narrowing.

In other words, the pectin binds to cholesterol and helps to remove arterial buildup

This is great news for your heart. LDL cholesterol is a type of fat that can build up in your arteries and raise the risk for heart attack and stroke.

But if you are taking a cholesterol-lowering drug, don’t add a grapefruit for extra effect—the FDA issued a warning in 2012 about interactions with such medications.

9. Grapefruit May Help Control Blood Sugar

Grapefruit also has a low glycemic index (GI), around 25, which means it doesn’t raise blood sugar as quickly or as much as high-GI foods like a white bagel (72) or even a banana (48) or watermelon (72). (The highest GI score is 100.)

A 2006 study published in the Journal of Medicinal Food, found that people who ate grapefruit (juice or half a fruit) before a meal had a lower spike in insulin two hours later than those taking a placebo, and fresh grapefruit was associated with less insulin resistance.

All 91 patients in the 12-week study were obese, but they did not necessarily have type 2 diabetes.

While the results are promising in those without diabetes, blood-sugar reactions to food can vary widely, so if you have been diagnosed with type 2 diabetes, test your blood sugar after eating grapefruit to make sure it can be part of your healthy eating plan.

10. Grapefruit Can Lower Blood Pressure

Grapefruit has got some data that it decreases systolic blood pressure, not by a lot—it’s usually about five points—but there’s definitely good data.

And for the 70 million Americans who have hypertension, any drop in blood pressure is a good drop.

The effect on blood pressure may be due to grapefruit’s high potassium levels. Potassium neutralizes the negative effects of sodium.

But again, don’t eat grapefruit if you are already taking a blood-pressure-lowering drug. Certain ones, such as Procardia and Adalat CC (both are from the generic nifedipine), can be dangerous when combined with grapefruit, according to the FDA.

11. Grapefruit Is Good For Constipation.

Meanwhile, one grapefruit (about 308 grams) contains almost 5 grams of fiber, meeting 20% of your daily needs Citrus fruits are also rich in the soluble fiber pectin, especially their peels. Pectin can accelerate colonic transit time and reduce constipation.

12. Grapefruit Is Good For Your Liver.

Nevertheless, the current evidence points to grapefruit being a good way to keep your liver healthy by helping prevent damage and inflammation. The antioxidants in grapefruit protect the liver by helping reduce inflammation and increase its protective mechanisms.

13. You Can Drink Grapefruit In Beer Form

If you find the fruit itself to be too tart, try a grapefruit-flavored beverage: There are a bevy of products—including grapefruit-flavored beer—that might be more palatable to you.

Because citrus pairs well with beer, there are plenty of orange and lemon-flavored beers, but grapefruit is the newer flavor in the brewing world: A few examples include Pink Fuzz, Grapefruit Shandy, and Turtle Power Grapefruit Pale Ale.

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14. Grapefruit Scent Can Give You Boost

Citrus scents are becoming more popular in aromatherapy for a reason. Citrus is really amazing for increased energy and vitality. It will wake people up.

Not all aromatherapy is inhaled. You can also rub essential oil on your skin, which allows you to feel it and inhale it at the same time. Grapefruit aromatherapy may even act as a natural skin toner.

Affiliate Disclosure: I am grateful to be of service and bring you resources, like this. In order to do this, please note that whenever you click the links in my posts and purchase items, in most (not all) cases I will receive a referral commission.

Some Precautions on Eating Grapefruit.

1. What happens if you eat grapefruit while taking a statin drug?

With some statins, drinking grapefruit juice, or eating grapefruit, is a bad idea. Grapefruit juice can cause that statin to stay in your body much longer, and the drug can build up. This can increase the risk of muscle breakdown, liver damage, and even kidney failure.

2. Does grapefruit thin your blood?

Grapefruit can cause new blood thinners like Eliquis and Xarelto to reach higher levels in the blood. A common side effect of this can be bleeding anywhere in the body, but this often happens first in your gut.3. Does grapefruit raise blood pressure?

They’re used as part of the treatment of conditions such as high blood pressure (hypertension) and coronary heart disease. Grapefruit juice interacts with some calcium channel blockers and increases the level of the medicine in your blood.

3. Why is grapefruit bad for high blood pressure?

Grapefruit contains compounds that may interfere with how your body absorbs some drugs, including some blood pressure medicines. It can leave too much or too little of the drug in your bloodstream, which may be dangerous. Always ask your doctor or pharmacist if grapefruit could affect the medicine you’re taking.

4. Does grapefruit seed extract help you lose weight?

These results suggest that GSE supplementation decrease body fat weight by suppression of adipogenic enzyme such ACC and overexpression of lipolytic enzyme such as CPT-I. In conclusion, we have demonstrated that GSE has beneficial effects and reverses some of the negative effects of a high-fat diet.

You can also purchase Grapefruit Seed Extract online by clicking here.

Affiliate Disclosure: I am grateful to be of service and bring you resources, like this. In order to do this, please note that whenever you click the links in my posts and purchase items, in most (not all) cases I will receive a referral commission.

Please let us know in the comments below:

  • Do you have any physical challenges right now? If so, do you eat grapefruit as a natural remedy?
  • Does anyone in your family have a history of physical illness who might be helped by these recommendations?
  • Has your doctor suggested this fabulous fruit for your physical health?


Information on this site is not intended to diagnose, treat, cure, or prevent any disease. We encourage you to do your own research. Seek the advice of a medical professional before making any changes to your lifestyle or diet.

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