URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Grapefruit juice, pink, raw, 1 cup Protein (g) 1.24 Total lipid (fat) (g) 0.25 Carbohydrate, by difference (g) 22.72 Energy (kcal) 96.33 Calcium, Ca (mg) 22.23 Iron, Fe (mg) 0.49 Magnesium, Mg (mg) 29.64 Phosphorus, P (mg) 37.05 Potassium, K (mg) 400.14 Sodium, Na (mg) 2.47 Zinc, Zn (mg) 0.12 Copper, Cu (mg) 0.08 Manganese, Mn (mg) 0.05 Vitamin A, IU (IU) 1086.8 Retinol (mcg) 0 Vitamin C, total ascorbic acid (mg) 93.86 Thiamin (mg) 0.1 Riboflavin (mg) 0.05 Niacin (mg) 0.49 Pantothenic acid (mg) 0.47 Vitamin B-6 (mg) 0.11 Folate, total (mcg) 24.7 Vitamin B-12 (mcg) 0 Folic acid (mcg) 0 Folate, DFE (mcg_DFE) 24.7 Cholesterol (mg) 0 Fatty acids, total saturated (g) 0.03 Fatty acids, total monounsaturated (g) 0.03 Fatty acids, total polyunsaturated (g) 0.06