Nutritional Benefits: Packed With Nutrients. Onions are nutrient-dense, meaning they're low in calories but high in vitamins and minerals | High in Vitamin C, onions are a good source of dietary fiber, and folic acid | They also contain calcium, iron, and have a high protein quality (ratio of mg amino acid/gram protein) | Onions are low in sodium and contain no fat | Onions contain quercetin, a flavonoid (one category of antioxidant compounds) | Onions contain organosulfur compounds that may offer unique health benefits.

Health Benefits: May Benefit Heart Health | Loaded With Antioxidants | Contain Cancer-Fighting Compounds | Help Control Blood Sugar | May Boost Bone Density | Have Antibacterial Properties | May Boost Digestive Health.