URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Zwieback, 1 rusk Protein (g) 1.01 Total lipid (fat) (g) 0.97 Carbohydrate, by difference (g) 7.42 Energy (kcal) 42.6 Sugars, total (g) 1.24 Fiber, total dietary (g) 0.25 Calcium, Ca (mg) 2 Iron, Fe (mg) 0.06 Magnesium, Mg (mg) 1.4 Phosphorus, P (mg) 5.5 Potassium, K (mg) 30.5 Sodium, Na (mg) 23.2 Zinc, Zn (mg) 0.05 Copper, Cu (mg) 0.01 Selenium, Se (mcg) 2.87 Vitamin A, IU (IU) 5.8 Retinol (mcg) 1.5 Carotene, beta (mcg) 0.4 Carotene, alpha (mcg) 0 Vitamin E (alpha-tocopherol) (mg) 0.02 Cryptoxanthin, beta (mcg) 0.1 Lycopene (mcg) 0 Lutein + zeaxanthin (mcg) 1.6 Vitamin C, total ascorbic acid (mg) 0.53 Thiamin (mg) 0.02 Riboflavin (mg) 0.02 Niacin (mg) 0.13 Pantothenic acid (mg) 0.05 Vitamin B-6 (mg) 0.01 Folate, total (mcg) 8.7 Vitamin B-12 (mcg) 0 Vitamin K (phylloquinone) (mcg) 0.3 Folic acid (mcg) 6.7 Folate, DFE (mcg_DFE) 13.4 Cholesterol (mg) 2.1 Fatty acids, total saturated (g) 0.4 Fatty acids, total monounsaturated (g) 0.38 Fatty acids, total polyunsaturated (g) 0.13