Clementines are rich in vitamin C. Oroval clementines are an excellent source of vitamin C, folate, potassium, and dietary fiber. They also contain calcium, magnesium, phosphorus, and the carotenoid beta-carotene. Oroval clementines contain phytonutrient flavonoids like hesperetin and naringenin, which along with a high vitamin C content, provide beneficial antioxidant benefits.