- Mangos are high in protective antioxidants, such as gallotannins and mangiferin, which are plant compounds. Aids digestion. Helps maintain healthy skin & hair. Supports heart health. Support eye health. They're high in magnesium and potassium, which are both linked to reduced blood pressure and a steady pulse. Mangos also contain a chemical called mangiferin, which preliminary research suggests may be able to alleviate cardiac inflammation. Mangos might assist to keep your digestive system in check.