Pickled onions are good for you because they contain a number of nutrients that are found in the ordinary onions. They contain some proteins, carbohydrates, fibre and are low in calories. Studies show that taking an onion daily may help to lower the blood pressure, prevent clots, raise the level of beneficial cholesterol etc. However, you should avoid high intakes of pickled onions because they contain a lot of artificial additives which may be harmful.
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