- Red onions, which are frequently misidentified as Spanish onions, are characterised by their bright scarlet exterior and flesh that has red and white flecks.
- They are often big and "meaty." Red onions are sweeter than brown onions because they contain a lot more sugar.
Red onions provide calcium, iron, fibre, and vitamin C.
They also include significant levels of polyphenols and flavonoids, including quercetin, which has antioxidant characteristics that support overall health, and sulphur, which encourages the body's natural anti-inflammatory activities.