Red Onion helps in regulating the level of blood sugar and fight against the infections by improving our immunity. It is widely used in various different dishes for flavoring, boosting and spicing the taste of it. It simply bring freshness and flavor to the cooked meals. Consumption of Red Onion on regular basis helps in neutralizing the free radicals present in the human body. Also, it play an important role in eliminating heavy metals out from the body.