URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Grapefruit, raw, pink and red, all areas, 1 cup sections, with juice Protein (g) 1.77 Total lipid (fat) (g) 0.32 Carbohydrate, by difference (g) 24.52 Energy (kcal) 96.6 Sugars, total (g) 15.85 Fiber, total dietary (g) 3.68 Calcium, Ca (mg) 50.6 Iron, Fe (mg) 0.18 Magnesium, Mg (mg) 20.7 Phosphorus, P (mg) 41.4 Potassium, K (mg) 310.5 Sodium, Na (mg) 0 Zinc, Zn (mg) 0.16 Copper, Cu (mg) 0.07 Manganese, Mn (mg) 0.05 Selenium, Se (mcg) 0.23 Vitamin A, IU (IU) 2645 Retinol (mcg) 0 Carotene, beta (mcg) 1577.8 Carotene, alpha (mcg) 6.9 Vitamin E (alpha-tocopherol) (mg) 0.3 Cryptoxanthin, beta (mcg) 13.8 Lycopene (mcg) 3263.7 Lutein + zeaxanthin (mcg) 11.5 Vitamin C, total ascorbic acid (mg) 71.76 Thiamin (mg) 0.1 Riboflavin (mg) 0.07 Niacin (mg) 0.47 Pantothenic acid (mg) 0.6 Vitamin B-6 (mg) 0.12 Folate, total (mcg) 29.9 Vitamin B-12 (mcg) 0 Vitamin K (phylloquinone) (mcg) 0 Folic acid (mcg) 0 Folate, DFE (mcg_DFE) 29.9 Cholesterol (mg) 0 Fatty acids, total saturated (g) 0.05 Fatty acids, total monounsaturated (g) 0.05 Fatty acids, total polyunsaturated (g) 0.08