Kale is one of the best detoxifiers around. It’s fortified with important vitamins and minerals, including vitamins A, C, K, iron, folate and magnesium. The kale-and-fruit smoothie is a good source of antioxidants as well. For a delicious kale smoothie, you can blend it with parsley, celery, mango, oranges and mint. Not only will you help your body efficiently flush toxins out, you will improve your digestion, boost your immune system and combat mood swings.