URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Grapefruit juice, pink, raw, 1 fruit yields Protein (g) 0.98 Total lipid (fat) (g) 0.2 Carbohydrate, by difference (g) 18.03 Energy (kcal) 76.44 Calcium, Ca (mg) 17.64 Iron, Fe (mg) 0.39 Magnesium, Mg (mg) 23.52 Phosphorus, P (mg) 29.4 Potassium, K (mg) 317.52 Sodium, Na (mg) 1.96 Zinc, Zn (mg) 0.1 Copper, Cu (mg) 0.06 Manganese, Mn (mg) 0.04 Vitamin A, IU (IU) 862.4 Retinol (mcg) 0 Vitamin C, total ascorbic acid (mg) 74.48 Thiamin (mg) 0.08 Riboflavin (mg) 0.04 Niacin (mg) 0.39 Pantothenic acid (mg) 0.37 Vitamin B-6 (mg) 0.09 Folate, total (mcg) 19.6 Vitamin B-12 (mcg) 0 Folic acid (mcg) 0 Folate, DFE (mcg_DFE) 19.6 Cholesterol (mg) 0 Fatty acids, total saturated (g) 0.03 Fatty acids, total monounsaturated (g) 0.03 Fatty acids, total polyunsaturated (g) 0.05