Onions are considered one of the world's healthiest foods, not surprising as they contain multiple vitamins and minerals. First up there is a rather decent amount of vitamin C in onions, and we all know vitamin C is good for you. Onions also contain vitamin B6. B6 is great for red blood cell formation, Potassium, which is important for low blood pressure, and general heart health and Folate B vitamin bodies need for metabolism and cell growth. Not only the above but they are also a good source of dietary fiber, calcium, iron, low sodium and have no fat.

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