How can Onion Help Human Body Though all vegetables are important for health, certain kinds offer unique benefits.
Onions are members of the Allium genus of flowering plants that also includes garlic, shallots, leeks and chives.
These vegetables contain various vitamins, minerals and potent plant compounds that have been shown to promote health in many ways.
In fact, the medicinal properties of onions have been recognized since ancient times, when they were used to treat ailments like headaches, heart disease and mouth sores
Here are 6 impressive health benefits of onions.
Number 1.Packed with Nutrients.
Onions are nutrient-dense, meaning they’re low in calories but high in vitamins and minerals.
One medium onion has just 44 calories but delivers a considerable dose of vitamins, minerals and fiber
This vegetable is particularly high in vitamin C, a nutrient involved in regulating immune health, collagen production, tissue repair and iron absorption.
Vitamin C also acts as a powerful antioxidant in your body, protecting your cells against damage caused by unstable molecules called free radicals
Onions are also rich in B vitamins, including folate (B9) and pyridoxine (B6) — which play key roles in metabolism, red blood cell production and nerve function Lastly, they’re a good source of potassium, a mineral in which many people are lacking.
In fact, the average potassium intake of Americans is just over half the recommended daily value (DV) of 4,700 mg.
Normal cellular function, fluid balance, nerve transmission, kidney function and muscle contraction all require potassium
Number 2, May Benefit Heart Health.
Onions contain antioxidants and compounds that fight inflammation, decrease triglycerides and reduce cholesterol levels — all of which may lower heart disease risk.
Quercetin is a flavonoid antioxidant that’s highly concentrated in onions. Since it’s a potent anti-inflammatory, it may help decrease heart disease risk factors, such as high blood pressure.
A study in 70 overweight people with high blood pressure found that a dose of 162 mg per day of quercetin-rich onion extract significantly reduced systolic blood pressure by 3–6 mmHg compared to a placebo Onions have also been shown to decrease cholesterol levels.
Additionally, evidence from animal studies supports that onion consumption may reduce risk factors for heart disease, including inflammation, high triglyceride levels and blood clot formation
Number 3, Loaded With Antioxidants.
Onions are an excellent source of antioxidants. In fact, they contain over 25 different varieties of flavonoid antioxidants,
Red onions, in particular, contain anthocyanins. Multiple population studies have found that people who consume more foods rich in anthocyanins have a reduced risk of heart disease.
For example, a study in 43,880 men showed that habitual intakes as high as 613 mg per day of anthocyanins were correlated to a 14% lower risk of nonfatal heart attacks
Similarly, a study in 93,600 women observed that those with the highest intake of anthocyanin-rich foods were 32% less likely to experience a heart attack than women with the lowest intake.
anthocyanins have been found to protect against certain types of cancer and diabetes
Number 4, May Boost Digestive Health.
Onions are a rich source of fiber and prebiotics, which are necessary for optimal gut health.
Gut bacteria feed on prebiotics and create short-chain fatty acids — including acetate, propionate and butyrate.
Research has shown that these short-chain fatty acids strengthen gut health, boost immunity, reduce inflammation and enhance digestion
Additionally, consuming foods rich in prebiotics helps increase probiotics, such as Lactobacillus and bifidobacteria strains, which benefit digestive health
A diet rich in prebiotics may help improve the absorption of important minerals like calcium, which may improve bone health
Onions are particularly rich in the prebiotics inulin and fructooligosaccharides. These help increase the number of friendly bacteria in your gut and improve immune function
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