Onions are a nutritious vegetable that may have many health benefits, including improved heart health, digestion, and bone strength.
Heart health
Onions contain antioxidants and anti-inflammatory properties that may help reduce the risk of heart disease and stroke
Organic sulfur compounds in onions may help lower cholesterol and break down blood clots
Digestion
Onions contain prebiotics and fiber, which can help improve gut health
Onions may help with digestion by feeding healthy bacteria in the large intestine
Bone health
Onions may help improve bone density and reduce the risk of fractures
One study found that people who ate onions daily had greater bone density
Other health benefits
Onions may help regulate blood sugar levels and improve insulin sensitivity
Onions may help support the respiratory system
Onions may help protect against certain types of cancer, including lung, prostate, and stomach
Onions may help prevent age-related macular degeneration, cataracts, and glaucoma
Onions may help combat skin infections and acne
Onions are high in vitamins, minerals, and antioxidants while being low in calories. You can eat onions raw or cooked, alone or added to recipes for salads, preserves, sauces, and soups.
You can get the most health benefits from eating onions when they are part of a diverse and well-balanced diet.