All citrus fruits are rich in vitamin C as well as other micro-nutrients, certain phyto-chemicals and fiber. Citrus fruits also protect against infection and cancer. They are an essential element in any healthy diet.
Grapefruit is high in vitamin C, potassium, several carotenoids including beta-carotene. The white pith contains pectin and bioflavonoids which makes grapefruits an excellent antioxidant food.
Calories in Grapefruit:
1 large grapefruit = 35 calories
1 cup canned sections with juice = 75 calories