Onion

Onions (Allium cepa) are versatile, nutrient-dense bulbs widely cultivated globally for culinary use, containing roughly 44 calories, 1.87 g of fiber, and 8.14mg of vitamin C per 100g. Known for their pungent sulfur compounds and papery skin, they come in yellow, red, and white varieties used raw or cooked. They offer potential immune support and antioxidant benefits