Sweet bell peppers are low in calories and an excellent source of dietary fiber. They are also packed with healthy vitamins and minerals, including vitamin C, vitamin B6, vitamin A, Folate, and molybdenum. Compared to green bell peppers, the red ones have 11 times more beta-carotene and 1.5 times more vitamin C, and they are sweeter. DID YOU KNOW green peppers are simply red, orange, yellow, or purple peppers that have not ripened?