Kiwis are small fruits that pack a lot of flavor and plenty of health benefits. Their green flesh is sweet and tangy. It’s also full of nutrients like vitamin C, vitamin K, vitamin E, folate, and potassium. They also have a lot of antioxidants and are a good source of fiber. Their small black seeds are edible, as is the fuzzy brown peel, though many prefer to peel the kiwi before eating it.
It’s thought that the high amount of vitamin C and antioxidants that kiwis contain can actually help treat people with asthma. One study from 2000 found that there was a beneficial effect on the lung function among those who consumed fresh fruit regularly, including kiwis. Fresh fruit like kiwi may reduce wheezing in susceptible children.
Kiwis have plenty of fiber, which is already good for digestion. They also contain a proteolytic enzyme called actinidin that can help break down protein. One study recently found that kiwi extract containing actinidin greatly enhanced the digestion of most proteins.
Kiwis are nutrient-dense and full of vitamin C. In fact, just 1 cup of kiwi provides about 273 percent of your daily recommended value. Vitamin C is an essential nutrient when it comes to boosting your immune system to ward off disease. One study even found that kiwis may support immune function and reduce the likelihood of developing cold- or flu-like illnesses. This is especially true in at-risk groups like adults over the age of 65 and young children.
Oxidative stress can result in damage to our DNA. This can lead to health problems. Partially thanks to its antioxidants, there is some evidence from an older study that regular consumption of kiwi or kiwi extract reduces the likelihood of oxidative stress.
Since oxidative DNA damage is strongly linked to colon cancer, regular kiwi consumption could lower your risk of colon cancer, too.
Not only can kiwi fruits provide an extra boost to our immune system, they can also help us to manage our blood pressure. A 2014 study found evidence that the bioactive substances in three kiwis a day can lower blood pressure more than one apple a day. Long term, this may also mean a lowered risk for conditions that can be caused by high blood pressure, like strokes or heart attacks.
In addition to helping us manage our blood pressure, kiwis can actually reduce blood clotting. A study from the University of Oslo found that eating two to three kiwis a day significantly lowered the risk of blood clotting. They were also found to reduce the amount of fat in the blood. Researchers said that these effects were similar to those of a daily dose of aspirin to improve heart health.
Macular degeneration is the leading cause of vision loss, and kiwis might help protect your eyes from it. One study found that by eating three servings of fruit a day, macular degeneration was decreased by 36 percent. Kiwis’ high levels of zeaxanthin and lutein are thought to contribute to this effect.
Eating kiwi fruit is regarded as safe for most people. The main exception is for those who are allergic. Signs of a kiwi allergy include itchy throat, swollen tongue, trouble swallowing, vomiting, and hives. Your risk for allergy to kiwi increases if you’re also allergic to hazelnuts, avocados, latex, wheat, figs, or poppy seeds.
In rare cases, kiwis could slow blood clotting, increasing bleeding. This could increase the severity of bleeding disorders. If you have a bleeding disorder or are about to have surgery, avoid eating kiwis.
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