Onions not only enhance the flavor of your dishes but also offer a wealth of nutritional benefits that can support your overall health. They're low in calories, with a large onion containing just 63 calories, and they provide dietary fiber, potassium, and vitamins C and B6. Including onions in your meals may help prevent chronic diseases, support cardiovascular health, and even lower cancer risk. Additionally, onions are a good source of dietary fiber, which aids in digestion and promotes gut health. Their antioxidants protect your body against free radicals, boosting your immune system. Plus, onions are versatile; you can enjoy them raw, cooked, or fermented.