Onions have few calories but a lot of good things for you, like vitamin C, B vitamins, and potassium.
Researchers have found that eating onions may help lower risk factors for heart disease like high blood pressure, high triglyceride levels, and inflammation.
Anthocyanins are powerful plant pigments that may protect against heart disease, some types of cancer, and diabetes. Red onions have a lot of them.
Some cancers may be less likely to happen if you eat a lot of allium vegetables like onions.
Onions have many compounds that are good for you, so eating them may help lower high blood sugar.
There is a correlation between eating onions and having better bone mineral density, according to certain studies.
Bacteria like E. coli and S. aureus that could be dangerous don't grow as well when onions are around.
Onions have a lot of prebiotics, which are good for your immune system, digestive health, and the balance of bacteria in your gut.
Onions are easy to add to savoury foods like eggs, guacamole, meat dishes, soups, and baked goods.