One of the flavonoids in onions, quercetin, has protective antioxidant and anti-inflammatory effects and it’s thought this, as well as other beneficial compounds present in onions, may contribute to the vegetable’s heart-friendly properties.
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Studies suggest eating onions may help reduce your risk of heart disease by lowering blood pressure, managing cholesterol levels, and reducing inflammation.
Including onions in the diet is associated with improved bone density. This may be because of their antioxidant properties, which reduce oxidative stress and appears to reduce bone loss.
A study looking at the effect on peri- and post-menopausal women reported that frequent onion consumption decreased the risk of hip fracture. A further study on middle-aged women showed onion juice consumption reduced bone loss and improved bone density.
