Most diseases thrive in acidic environment but when your system is alkaline, it becomes unfavorable f them. Mangoes can be a great help in increasing the alkalinity of the body. But because you wouldn't want or increased beyond normal proportions, you eat them moderately but regularly.. Potassium found in mangoes can help alkalize your body, keeping most sicknesses at bay.. Be reminded that the body's ideal PH should be above seven, ie more alkaline. An alkalized body has reduced the risk of suffering from chronic pains and diseases.