It is a natural vitamin bomb containing B vitamins, vitamin C, E, PP, beta-carotene, potassium, magnesium, calcium, phosphorus, iron, and trace amounts of selenium, copper, manganese, and zinc. The more orange the flesh is, the higher the carotenoid content. Pumpkin contains negligible amounts of fats and proteins and slightly more carbohydrates. The amount of fiber is essential in aiding digestion.