Mango Powder :- Mango is called the “king of fruits.” Mango has over a dozen different type of polyphenols, including mangiferin, which is especially powerful. Polyphenols function as antioxidants inside your body. Mango is a good source of immune-boosting nutrients. One cup (165 grams) of mango provides 10% of your daily vitamin A needs. Mango also contains folate, vitamin K, vitamin E and several B vitamins, which aid immunity as well.