Raspberries are very good source of dietary fiber, vitamin C and manganese, and they are low in calories and fat. They have a low glycemic index, which means that raspberries will not cause sharp "rise and fall" in blood sugar level.
Fiber and water from raspberries help maintain a healthy digestive tract. Some studies have shown that antioxidants from raspberries may lower the risk of cancer, neurodegenerative diseases, and inflammation.