”A cup of fresh raspberries contains high levels of assorted vitamins and minerals needed for healthy body functions, including 186 mg of potassium, necessary for maintaining healthy blood pressure; 31 mg of calcium, needed for bone development and growth; and 167 combined mcg of lutein and zeaxanthin. This pair of carotinoids — or plant pigments — can help protect against macular degeneration, an eye disease that can cause loss of vision.”  

Source: LiveStrong.com