White Onion Nutrition Facts

White Onion

White Onions have an excellent nutrient profile, are low in calories, and are high in essential vitamins and minerals. One medium onion contains only 32 calories and is abundant in vitamin C, a substance necessary for immunological function, collagen formation, tissue healing, and iron absorption. Vitamin C is a powerful antioxidant that protects cells from harm caused by free radicals. Onions are high in B vitamins like folate and pyridoxine, essential for metabolism, red cell synthesis, and neurological function.