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.
1. Contributes to Heart Health
Onions contain antioxidants and compounds that fight inflammation, decrease triglycerides and reduce cholesterol levels. These may help in reducing the risk of heart disease.
Their potent anti-inflammatory properties may also help reduce high blood pressure and protect against blood clots.
Onions have also been shown to decrease cholesterol levels.
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2. Contain Cancer-Fighting Compounds
Consumption of vegetables of the Allium genus like garlic and onions has been linked to a lower risk of certain cancers, including stomach and colorectal.
Onions also contain fisetin and quercetin, flavonoid antioxidants that may inhibit tumor growth.
3. Control Blood Sugar
Due to the many beneficial compounds found in onions, consuming them may help reduce high blood sugar.
Specific compounds found in onions, such as quercetin and sulfur compounds, possess antidiabetic effects.
Quercetin has been shown to interact with cells in the small intestine, pancreas, skeletal muscle, fat tissue, and liver to control whole-body blood sugar regulation.
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4. Contain Cancer-Fighting Compounds
Consumption of vegetables of the Allium genus like garlic and onions has been linked to a lower risk of certain cancers, including stomach and colorectal.
Onions also contain fisetin and quercetin, flavonoid antioxidants that may inhibit tumor growth.
5. Boost Digestive Health
Onions are a rich source of prebiotics, which help boost digestive health, improve the bacterial balance in your gut and benefit your immune system
Prebiotics are non-digestible types of fiber that are broken down by beneficial gut bacteria.
Gut bacteria feed on prebiotics and create short-chain fatty acids including acetate, propionate, and butyrate.
6. May Boost Bone Density
Adding up onion’s health benefits is its ability to help support strong bones.
A study of 24 middle-aged and postmenopausal women showed that those who consumed 3.4 ounces (100 ml) of onion juice daily for eight weeks had improved bone mineral density and antioxidant activity compared to a control group.
