Onions is very high in Nutrients including vitamins and minerals but and low in calories. Which means you can eat a handful of onins with out piling up calories because One medium onion about 44 calories.
Onions is high in vitamin C. Vitamin C helps in regulating immune system, collagen production, tissue repair as well as iron absorption.
Vitamin C also a powerful antioxidant which helps in protecting body against damage caused by free radicals.
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