Onions are cultivars of the onion (Allium cepa) with purplish-red skin and white flesh tinged with red. These tend to be medium to large in size and have a mild to sweet flavor. They are often consumed raw, grilled or lightly cooked with other foods, or added as a decoration to salads.
Furthermore, onions contain fiber and folic acid, a B vitamin that helps the body make healthy new cells. Onions are healthy whether they’re raw or cooked, though raw onions have higher levels of organic sulfur compounds that provide many benefits