Onion is a source of antioxidants, including flavonoids like quercetin. These
antioxidants help combat free radical damage, which is linked to aging and
various health conditions
The presence of antioxidants also contributes to a strong immune system by
protecting cells from harm .
Similar to fresh onions, Onion may help lower cholesterol levels due to the
antioxidant content, potentially reducing the risk of heart disease.