URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Lemon juice, raw, 1 fl oz Protein (g) 0.12 Total lipid (fat) (g) 0 Carbohydrate, by difference (g) 2.63 Energy (kcal) 7.62 Sugars, total (g) 0.73 Fiber, total dietary (g) 0.12 Calcium, Ca (mg) 2.13 Iron, Fe (mg) 0.01 Magnesium, Mg (mg) 1.83 Phosphorus, P (mg) 1.83 Potassium, K (mg) 37.82 Sodium, Na (mg) 0.3 Zinc, Zn (mg) 0.02 Copper, Cu (mg) 0.01 Manganese, Mn (mg) 0 Selenium, Se (mcg) 0.03 Vitamin A, IU (IU) 5.8 Retinol (mcg) 0 Carotene, beta (mcg) 0.92 Carotene, alpha (mcg) 0 Vitamin E (alpha-tocopherol) (mg) 0.05 Cryptoxanthin, beta (mcg) 5.18 Lycopene (mcg) 0 Lutein + zeaxanthin (mcg) 2.74 Vitamin C, total ascorbic acid (mg) 14.03 Thiamin (mg) 0.01 Riboflavin (mg) 0 Niacin (mg) 0.03 Pantothenic acid (mg) 0.03 Vitamin B-6 (mg) 0.02 Folate, total (mcg) 3.96 Vitamin B-12 (mcg) 0 Vitamin K (phylloquinone) (mcg) 0 Folic acid (mcg) 0 Folate, DFE (mcg_DFE) 3.96 Cholesterol (mg) 0 Fatty acids, total saturated (g) 0 Fatty acids, total monounsaturated (g) 0 Fatty acids, total polyunsaturated (g) 0